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s3: Rename new parameter "ldap ref follow" to "ldap follow referral".
[Samba/gebeck_regimport.git] / source3 / passdb / pdb_ldap.c
blobc464a88f38c95da148f0858626bcfd343f391c14
1 /*
2 Unix SMB/CIFS implementation.
3 LDAP protocol helper functions for SAMBA
4 Copyright (C) Jean François Micouleau 1998
5 Copyright (C) Gerald Carter 2001-2003
6 Copyright (C) Shahms King 2001
7 Copyright (C) Andrew Bartlett 2002-2003
8 Copyright (C) Stefan (metze) Metzmacher 2002-2003
9 Copyright (C) Simo Sorce 2006
10
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 3 of the License, or
14 (at your option) any later version.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 You should have received a copy of the GNU General Public License
22 along with this program. If not, see <http://www.gnu.org/licenses/>.
23
24 */
25
26 /* TODO:
27 * persistent connections: if using NSS LDAP, many connections are made
28 * however, using only one within Samba would be nice
29 *
30 * Clean up SSL stuff, compile on OpenLDAP 1.x, 2.x, and Netscape SDK
31 *
32 * Other LDAP based login attributes: accountExpires, etc.
33 * (should be the domain of Samba proper, but the sam_password/struct samu
34 * structures don't have fields for some of these attributes)
35 *
36 * SSL is done, but can't get the certificate based authentication to work
37 * against on my test platform (Linux 2.4, OpenLDAP 2.x)
38 */
39
40 /* NOTE: this will NOT work against an Active Directory server
41 * due to the fact that the two password fields cannot be retrieved
42 * from a server; recommend using security = domain in this situation
43 * and/or winbind
44 */
45
46 #include "includes.h"
47 #include "../libcli/auth/libcli_auth.h"
48
49 #undef DBGC_CLASS
50 #define DBGC_CLASS DBGC_PASSDB
51
52 #include <lber.h>
53 #include <ldap.h>
54
55 /*
56 * Work around versions of the LDAP client libs that don't have the OIDs
57 * defined, or have them defined under the old name.
58 * This functionality is really a factor of the server, not the client
59 *
60 */
61
62 #if defined(LDAP_EXOP_X_MODIFY_PASSWD) && !defined(LDAP_EXOP_MODIFY_PASSWD)
63 #define LDAP_EXOP_MODIFY_PASSWD LDAP_EXOP_X_MODIFY_PASSWD
64 #elif !defined(LDAP_EXOP_MODIFY_PASSWD)
65 #define LDAP_EXOP_MODIFY_PASSWD "1.3.6.1.4.1.4203.1.11.1"
66 #endif
67
68 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_ID) && !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
69 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID LDAP_EXOP_X_MODIFY_PASSWD_ID
70 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
71 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID ((ber_tag_t) 0x80U)
72 #endif
73
74 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_NEW) && !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
75 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW LDAP_EXOP_X_MODIFY_PASSWD_NEW
76 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
77 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW ((ber_tag_t) 0x82U)
78 #endif
79
80
81 #include "smbldap.h"
82
83 /**********************************************************************
84 Simple helper function to make stuff better readable
85 **********************************************************************/
86
87 static LDAP *priv2ld(struct ldapsam_privates *priv)
88 {
89 return priv->smbldap_state->ldap_struct;
90 }
91
92 /**********************************************************************
93 Get the attribute name given a user schame version.
94 **********************************************************************/
95
96 static const char* get_userattr_key2string( int schema_ver, int key )
97 {
98 switch ( schema_ver ) {
99 case SCHEMAVER_SAMBAACCOUNT:
100 return get_attr_key2string( attrib_map_v22, key );
101
102 case SCHEMAVER_SAMBASAMACCOUNT:
103 return get_attr_key2string( attrib_map_v30, key );
104
105 default:
106 DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
107 break;
108 }
109 return NULL;
110 }
111
112 /**********************************************************************
113 Return the list of attribute names given a user schema version.
114 **********************************************************************/
115
116 const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver )
117 {
118 switch ( schema_ver ) {
119 case SCHEMAVER_SAMBAACCOUNT:
120 return get_attr_list( mem_ctx, attrib_map_v22 );
121
122 case SCHEMAVER_SAMBASAMACCOUNT:
123 return get_attr_list( mem_ctx, attrib_map_v30 );
124 default:
125 DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
126 break;
127 }
128
129 return NULL;
130 }
131
132 /**************************************************************************
133 Return the list of attribute names to delete given a user schema version.
134 **************************************************************************/
135
136 static const char** get_userattr_delete_list( TALLOC_CTX *mem_ctx,
137 int schema_ver )
138 {
139 switch ( schema_ver ) {
140 case SCHEMAVER_SAMBAACCOUNT:
141 return get_attr_list( mem_ctx,
142 attrib_map_to_delete_v22 );
143
144 case SCHEMAVER_SAMBASAMACCOUNT:
145 return get_attr_list( mem_ctx,
146 attrib_map_to_delete_v30 );
147 default:
148 DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
149 break;
150 }
151
152 return NULL;
153 }
154
155
156 /*******************************************************************
157 Generate the LDAP search filter for the objectclass based on the
158 version of the schema we are using.
159 ******************************************************************/
160
161 static const char* get_objclass_filter( int schema_ver )
162 {
163 fstring objclass_filter;
164 char *result;
165
166 switch( schema_ver ) {
167 case SCHEMAVER_SAMBAACCOUNT:
168 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBAACCOUNT );
169 break;
170 case SCHEMAVER_SAMBASAMACCOUNT:
171 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
172 break;
173 default:
174 DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
175 objclass_filter[0] = '\0';
176 break;
177 }
178
179 result = talloc_strdup(talloc_tos(), objclass_filter);
180 SMB_ASSERT(result != NULL);
181 return result;
182 }
183
184 /*****************************************************************
185 Scan a sequence number off OpenLDAP's syncrepl contextCSN
186 ******************************************************************/
187
188 static NTSTATUS ldapsam_get_seq_num(struct pdb_methods *my_methods, time_t *seq_num)
189 {
190 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
191 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
192 LDAPMessage *msg = NULL;
193 LDAPMessage *entry = NULL;
194 TALLOC_CTX *mem_ctx;
195 char **values = NULL;
196 int rc, num_result, num_values, rid;
197 char *suffix = NULL;
198 char *tok;
199 const char *p;
200 const char **attrs;
201
202 /* Unfortunatly there is no proper way to detect syncrepl-support in
203 * smbldap_connect_system(). The syncrepl OIDs are submitted for publication
204 * but do not show up in the root-DSE yet. Neither we can query the
205 * subschema-context for the syncProviderSubentry or syncConsumerSubentry
206 * objectclass. Currently we require lp_ldap_suffix() to show up as
207 * namingContext. - Guenther
208 */
209
210 if (!lp_parm_bool(-1, "ldapsam", "syncrepl_seqnum", False)) {
211 return ntstatus;
212 }
213
214 if (!seq_num) {
215 DEBUG(3,("ldapsam_get_seq_num: no sequence_number\n"));
216 return ntstatus;
217 }
218
219 if (!smbldap_has_naming_context(ldap_state->smbldap_state->ldap_struct, lp_ldap_suffix())) {
220 DEBUG(3,("ldapsam_get_seq_num: DIT not configured to hold %s "
221 "as top-level namingContext\n", lp_ldap_suffix()));
222 return ntstatus;
223 }
224
225 mem_ctx = talloc_init("ldapsam_get_seq_num");
226
227 if (mem_ctx == NULL)
228 return NT_STATUS_NO_MEMORY;
229
230 if ((attrs = TALLOC_ARRAY(mem_ctx, const char *, 2)) == NULL) {
231 ntstatus = NT_STATUS_NO_MEMORY;
232 goto done;
233 }
234
235 /* if we got a syncrepl-rid (up to three digits long) we speak with a consumer */
236 rid = lp_parm_int(-1, "ldapsam", "syncrepl_rid", -1);
237 if (rid > 0) {
238
239 /* consumer syncreplCookie: */
240 /* csn=20050126161620Z#0000001#00#00000 */
241 attrs[0] = talloc_strdup(mem_ctx, "syncreplCookie");
242 attrs[1] = NULL;
243 suffix = talloc_asprintf(mem_ctx,
244 "cn=syncrepl%d,%s", rid, lp_ldap_suffix());
245 if (!suffix) {
246 ntstatus = NT_STATUS_NO_MEMORY;
247 goto done;
248 }
249 } else {
250
251 /* provider contextCSN */
252 /* 20050126161620Z#000009#00#000000 */
253 attrs[0] = talloc_strdup(mem_ctx, "contextCSN");
254 attrs[1] = NULL;
255 suffix = talloc_asprintf(mem_ctx,
256 "cn=ldapsync,%s", lp_ldap_suffix());
257
258 if (!suffix) {
259 ntstatus = NT_STATUS_NO_MEMORY;
260 goto done;
261 }
262 }
263
264 rc = smbldap_search(ldap_state->smbldap_state, suffix,
265 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, &msg);
266
267 if (rc != LDAP_SUCCESS) {
268 goto done;
269 }
270
271 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg);
272 if (num_result != 1) {
273 DEBUG(3,("ldapsam_get_seq_num: Expected one entry, got %d\n", num_result));
274 goto done;
275 }
276
277 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg);
278 if (entry == NULL) {
279 DEBUG(3,("ldapsam_get_seq_num: Could not retrieve entry\n"));
280 goto done;
281 }
282
283 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct, entry, attrs[0]);
284 if (values == NULL) {
285 DEBUG(3,("ldapsam_get_seq_num: no values\n"));
286 goto done;
287 }
288
289 num_values = ldap_count_values(values);
290 if (num_values == 0) {
291 DEBUG(3,("ldapsam_get_seq_num: not a single value\n"));
292 goto done;
293 }
294
295 p = values[0];
296 if (!next_token_talloc(mem_ctx, &p, &tok, "#")) {
297 DEBUG(0,("ldapsam_get_seq_num: failed to parse sequence number\n"));
298 goto done;
299 }
300
301 p = tok;
302 if (!strncmp(p, "csn=", strlen("csn=")))
303 p += strlen("csn=");
304
305 DEBUG(10,("ldapsam_get_seq_num: got %s: %s\n", attrs[0], p));
306
307 *seq_num = generalized_to_unix_time(p);
308
309 /* very basic sanity check */
310 if (*seq_num <= 0) {
311 DEBUG(3,("ldapsam_get_seq_num: invalid sequence number: %d\n",
312 (int)*seq_num));
313 goto done;
314 }
315
316 ntstatus = NT_STATUS_OK;
317
318 done:
319 if (values != NULL)
320 ldap_value_free(values);
321 if (msg != NULL)
322 ldap_msgfree(msg);
323 if (mem_ctx)
324 talloc_destroy(mem_ctx);
325
326 return ntstatus;
327 }
328
329 /*******************************************************************
330 Run the search by name.
331 ******************************************************************/
332
333 int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state,
334 const char *user,
335 LDAPMessage ** result,
336 const char **attr)
337 {
338 char *filter = NULL;
339 char *escape_user = escape_ldap_string(talloc_tos(), user);
340 int ret = -1;
341
342 if (!escape_user) {
343 return LDAP_NO_MEMORY;
344 }
345
346 /*
347 * in the filter expression, replace %u with the real name
348 * so in ldap filter, %u MUST exist :-)
349 */
350 filter = talloc_asprintf(talloc_tos(), "(&%s%s)", "(uid=%u)",
351 get_objclass_filter(ldap_state->schema_ver));
352 if (!filter) {
353 TALLOC_FREE(escape_user);
354 return LDAP_NO_MEMORY;
355 }
356 /*
357 * have to use this here because $ is filtered out
358 * in string_sub
359 */
360
361 filter = talloc_all_string_sub(talloc_tos(),
362 filter, "%u", escape_user);
363 TALLOC_FREE(escape_user);
364 if (!filter) {
365 return LDAP_NO_MEMORY;
366 }
367
368 ret = smbldap_search_suffix(ldap_state->smbldap_state,
369 filter, attr, result);
370 TALLOC_FREE(filter);
371 return ret;
372 }
373
374 /*******************************************************************
375 Run the search by rid.
376 ******************************************************************/
377
378 static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
379 uint32 rid, LDAPMessage ** result,
380 const char **attr)
381 {
382 char *filter = NULL;
383 int rc;
384
385 filter = talloc_asprintf(talloc_tos(), "(&(rid=%i)%s)", rid,
386 get_objclass_filter(ldap_state->schema_ver));
387 if (!filter) {
388 return LDAP_NO_MEMORY;
389 }
390
391 rc = smbldap_search_suffix(ldap_state->smbldap_state,
392 filter, attr, result);
393 TALLOC_FREE(filter);
394 return rc;
395 }
396
397 /*******************************************************************
398 Run the search by SID.
399 ******************************************************************/
400
401 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
402 const DOM_SID *sid, LDAPMessage ** result,
403 const char **attr)
404 {
405 char *filter = NULL;
406 int rc;
407 fstring sid_string;
408
409 filter = talloc_asprintf(talloc_tos(), "(&(%s=%s)%s)",
410 get_userattr_key2string(ldap_state->schema_ver,
411 LDAP_ATTR_USER_SID),
412 sid_to_fstring(sid_string, sid),
413 get_objclass_filter(ldap_state->schema_ver));
414 if (!filter) {
415 return LDAP_NO_MEMORY;
416 }
417
418 rc = smbldap_search_suffix(ldap_state->smbldap_state,
419 filter, attr, result);
420
421 TALLOC_FREE(filter);
422 return rc;
423 }
424
425 /*******************************************************************
426 Delete complete object or objectclass and attrs from
427 object found in search_result depending on lp_ldap_delete_dn
428 ******************************************************************/
429
430 static int ldapsam_delete_entry(struct ldapsam_privates *priv,
431 TALLOC_CTX *mem_ctx,
432 LDAPMessage *entry,
433 const char *objectclass,
434 const char **attrs)
435 {
436 LDAPMod **mods = NULL;
437 char *name;
438 const char *dn;
439 BerElement *ptr = NULL;
440
441 dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry);
442 if (dn == NULL) {
443 return LDAP_NO_MEMORY;
444 }
445
446 if (lp_ldap_delete_dn()) {
447 return smbldap_delete(priv->smbldap_state, dn);
448 }
449
450 /* Ok, delete only the SAM attributes */
451
452 for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr);
453 name != NULL;
454 name = ldap_next_attribute(priv2ld(priv), entry, ptr)) {
455 const char **attrib;
456
457 /* We are only allowed to delete the attributes that
458 really exist. */
459
460 for (attrib = attrs; *attrib != NULL; attrib++) {
461 if (strequal(*attrib, name)) {
462 DEBUG(10, ("ldapsam_delete_entry: deleting "
463 "attribute %s\n", name));
464 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
465 NULL);
466 }
467 }
468 ldap_memfree(name);
469 }
470
471 if (ptr != NULL) {
472 ber_free(ptr, 0);
473 }
474
475 smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
476 talloc_autofree_ldapmod(mem_ctx, mods);
477
478 return smbldap_modify(priv->smbldap_state, dn, mods);
479 }
480
481 static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry)
482 {
483 char *temp;
484 struct tm tm;
485
486 temp = smbldap_talloc_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
487 get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
488 talloc_tos());
489 if (!temp) {
490 return (time_t) 0;
491 }
492
493 if ( !strptime(temp, "%Y%m%d%H%M%SZ", &tm)) {
494 DEBUG(2,("ldapsam_get_entry_timestamp: strptime failed on: %s\n",
495 (char*)temp));
496 TALLOC_FREE(temp);
497 return (time_t) 0;
498 }
499 TALLOC_FREE(temp);
500 tzset();
501 return timegm(&tm);
502 }
503
504 /**********************************************************************
505 Initialize struct samu from an LDAP query.
506 (Based on init_sam_from_buffer in pdb_tdb.c)
507 *********************************************************************/
508
509 static bool init_sam_from_ldap(struct ldapsam_privates *ldap_state,
510 struct samu * sampass,
511 LDAPMessage * entry)
512 {
513 time_t logon_time,
514 logoff_time,
515 kickoff_time,
516 pass_last_set_time,
517 pass_can_change_time,
518 pass_must_change_time,
519 ldap_entry_time,
520 bad_password_time;
521 char *username = NULL,
522 *domain = NULL,
523 *nt_username = NULL,
524 *fullname = NULL,
525 *homedir = NULL,
526 *dir_drive = NULL,
527 *logon_script = NULL,
528 *profile_path = NULL,
529 *acct_desc = NULL,
530 *workstations = NULL,
531 *munged_dial = NULL;
532 uint32 user_rid;
533 uint8 smblmpwd[LM_HASH_LEN],
534 smbntpwd[NT_HASH_LEN];
535 bool use_samba_attrs = True;
536 uint32 acct_ctrl = 0;
537 uint16 logon_divs;
538 uint16 bad_password_count = 0,
539 logon_count = 0;
540 uint32 hours_len;
541 uint8 hours[MAX_HOURS_LEN];
542 char *temp = NULL;
543 LOGIN_CACHE *cache_entry = NULL;
544 uint32 pwHistLen;
545 bool expand_explicit = lp_passdb_expand_explicit();
546 bool ret = false;
547 TALLOC_CTX *ctx = talloc_init("init_sam_from_ldap");
548
549 if (!ctx) {
550 return false;
551 }
552 if (sampass == NULL || ldap_state == NULL || entry == NULL) {
553 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
554 goto fn_exit;
555 }
556
557 if (priv2ld(ldap_state) == NULL) {
558 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
559 "ldap_struct is NULL!\n"));
560 goto fn_exit;
561 }
562
563 if (!(username = smbldap_talloc_smallest_attribute(priv2ld(ldap_state),
564 entry,
565 "uid",
566 ctx))) {
567 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
568 "this user!\n"));
569 goto fn_exit;
570 }
571
572 DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
573
574 nt_username = talloc_strdup(ctx, username);
575 if (!nt_username) {
576 goto fn_exit;
577 }
578
579 domain = talloc_strdup(ctx, ldap_state->domain_name);
580 if (!domain) {
581 goto fn_exit;
582 }
583
584 pdb_set_username(sampass, username, PDB_SET);
585
586 pdb_set_domain(sampass, domain, PDB_DEFAULT);
587 pdb_set_nt_username(sampass, nt_username, PDB_SET);
588
589 /* deal with different attributes between the schema first */
590
591 if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
592 if ((temp = smbldap_talloc_single_attribute(
593 ldap_state->smbldap_state->ldap_struct,
594 entry,
595 get_userattr_key2string(ldap_state->schema_ver,
596 LDAP_ATTR_USER_SID),
597 ctx))!=NULL) {
598 pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
599 }
600 } else {
601 if ((temp = smbldap_talloc_single_attribute(
602 ldap_state->smbldap_state->ldap_struct,
603 entry,
604 get_userattr_key2string(ldap_state->schema_ver,
605 LDAP_ATTR_USER_RID),
606 ctx))!=NULL) {
607 user_rid = (uint32)atol(temp);
608 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
609 }
610 }
611
612 if (pdb_get_init_flags(sampass,PDB_USERSID) == PDB_DEFAULT) {
613 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
614 get_userattr_key2string(ldap_state->schema_ver,
615 LDAP_ATTR_USER_SID),
616 get_userattr_key2string(ldap_state->schema_ver,
617 LDAP_ATTR_USER_RID),
618 username));
619 return False;
620 }
621
622 temp = smbldap_talloc_single_attribute(
623 ldap_state->smbldap_state->ldap_struct,
624 entry,
625 get_userattr_key2string(ldap_state->schema_ver,
626 LDAP_ATTR_PWD_LAST_SET),
627 ctx);
628 if (temp) {
629 pass_last_set_time = (time_t) atol(temp);
630 pdb_set_pass_last_set_time(sampass,
631 pass_last_set_time, PDB_SET);
632 }
633
634 temp = smbldap_talloc_single_attribute(
635 ldap_state->smbldap_state->ldap_struct,
636 entry,
637 get_userattr_key2string(ldap_state->schema_ver,
638 LDAP_ATTR_LOGON_TIME),
639 ctx);
640 if (temp) {
641 logon_time = (time_t) atol(temp);
642 pdb_set_logon_time(sampass, logon_time, PDB_SET);
643 }
644
645 temp = smbldap_talloc_single_attribute(
646 ldap_state->smbldap_state->ldap_struct,
647 entry,
648 get_userattr_key2string(ldap_state->schema_ver,
649 LDAP_ATTR_LOGOFF_TIME),
650 ctx);
651 if (temp) {
652 logoff_time = (time_t) atol(temp);
653 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
654 }
655
656 temp = smbldap_talloc_single_attribute(
657 ldap_state->smbldap_state->ldap_struct,
658 entry,
659 get_userattr_key2string(ldap_state->schema_ver,
660 LDAP_ATTR_KICKOFF_TIME),
661 ctx);
662 if (temp) {
663 kickoff_time = (time_t) atol(temp);
664 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
665 }
666
667 temp = smbldap_talloc_single_attribute(
668 ldap_state->smbldap_state->ldap_struct,
669 entry,
670 get_userattr_key2string(ldap_state->schema_ver,
671 LDAP_ATTR_PWD_CAN_CHANGE),
672 ctx);
673 if (temp) {
674 pass_can_change_time = (time_t) atol(temp);
675 pdb_set_pass_can_change_time(sampass,
676 pass_can_change_time, PDB_SET);
677 }
678
679 temp = smbldap_talloc_single_attribute(
680 ldap_state->smbldap_state->ldap_struct,
681 entry,
682 get_userattr_key2string(ldap_state->schema_ver,
683 LDAP_ATTR_PWD_MUST_CHANGE),
684 ctx);
685 if (temp) {
686 pass_must_change_time = (time_t) atol(temp);
687 pdb_set_pass_must_change_time(sampass,
688 pass_must_change_time, PDB_SET);
689 }
690
691 /* recommend that 'gecos' and 'displayName' should refer to the same
692 * attribute OID. userFullName depreciated, only used by Samba
693 * primary rules of LDAP: don't make a new attribute when one is already defined
694 * that fits your needs; using cn then displayName rather than 'userFullName'
695 */
696
697 fullname = smbldap_talloc_single_attribute(
698 ldap_state->smbldap_state->ldap_struct,
699 entry,
700 get_userattr_key2string(ldap_state->schema_ver,
701 LDAP_ATTR_DISPLAY_NAME),
702 ctx);
703 if (fullname) {
704 pdb_set_fullname(sampass, fullname, PDB_SET);
705 } else {
706 fullname = smbldap_talloc_single_attribute(
707 ldap_state->smbldap_state->ldap_struct,
708 entry,
709 get_userattr_key2string(ldap_state->schema_ver,
710 LDAP_ATTR_CN),
711 ctx);
712 if (fullname) {
713 pdb_set_fullname(sampass, fullname, PDB_SET);
714 }
715 }
716
717 dir_drive = smbldap_talloc_single_attribute(
718 ldap_state->smbldap_state->ldap_struct,
719 entry,
720 get_userattr_key2string(ldap_state->schema_ver,
721 LDAP_ATTR_HOME_DRIVE),
722 ctx);
723 if (dir_drive) {
724 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
725 } else {
726 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
727 }
728
729 homedir = smbldap_talloc_single_attribute(
730 ldap_state->smbldap_state->ldap_struct,
731 entry,
732 get_userattr_key2string(ldap_state->schema_ver,
733 LDAP_ATTR_HOME_PATH),
734 ctx);
735 if (homedir) {
736 if (expand_explicit) {
737 homedir = talloc_sub_basic(ctx,
738 username,
739 domain,
740 homedir);
741 if (!homedir) {
742 goto fn_exit;
743 }
744 }
745 pdb_set_homedir(sampass, homedir, PDB_SET);
746 } else {
747 pdb_set_homedir(sampass,
748 talloc_sub_basic(ctx, username, domain,
749 lp_logon_home()),
750 PDB_DEFAULT);
751 }
752
753 logon_script = smbldap_talloc_single_attribute(
754 ldap_state->smbldap_state->ldap_struct,
755 entry,
756 get_userattr_key2string(ldap_state->schema_ver,
757 LDAP_ATTR_LOGON_SCRIPT),
758 ctx);
759 if (logon_script) {
760 if (expand_explicit) {
761 logon_script = talloc_sub_basic(ctx,
762 username,
763 domain,
764 logon_script);
765 if (!logon_script) {
766 goto fn_exit;
767 }
768 }
769 pdb_set_logon_script(sampass, logon_script, PDB_SET);
770 } else {
771 pdb_set_logon_script(sampass,
772 talloc_sub_basic(ctx, username, domain,
773 lp_logon_script()),
774 PDB_DEFAULT );
775 }
776
777 profile_path = smbldap_talloc_single_attribute(
778 ldap_state->smbldap_state->ldap_struct,
779 entry,
780 get_userattr_key2string(ldap_state->schema_ver,
781 LDAP_ATTR_PROFILE_PATH),
782 ctx);
783 if (profile_path) {
784 if (expand_explicit) {
785 profile_path = talloc_sub_basic(ctx,
786 username,
787 domain,
788 profile_path);
789 if (!profile_path) {
790 goto fn_exit;
791 }
792 }
793 pdb_set_profile_path(sampass, profile_path, PDB_SET);
794 } else {
795 pdb_set_profile_path(sampass,
796 talloc_sub_basic(ctx, username, domain,
797 lp_logon_path()),
798 PDB_DEFAULT );
799 }
800
801 acct_desc = smbldap_talloc_single_attribute(
802 ldap_state->smbldap_state->ldap_struct,
803 entry,
804 get_userattr_key2string(ldap_state->schema_ver,
805 LDAP_ATTR_DESC),
806 ctx);
807 if (acct_desc) {
808 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
809 }
810
811 workstations = smbldap_talloc_single_attribute(
812 ldap_state->smbldap_state->ldap_struct,
813 entry,
814 get_userattr_key2string(ldap_state->schema_ver,
815 LDAP_ATTR_USER_WKS),
816 ctx);
817 if (workstations) {
818 pdb_set_workstations(sampass, workstations, PDB_SET);
819 }
820
821 munged_dial = smbldap_talloc_single_attribute(
822 ldap_state->smbldap_state->ldap_struct,
823 entry,
824 get_userattr_key2string(ldap_state->schema_ver,
825 LDAP_ATTR_MUNGED_DIAL),
826 ctx);
827 if (munged_dial) {
828 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
829 }
830
831 /* FIXME: hours stuff should be cleaner */
832
833 logon_divs = 168;
834 hours_len = 21;
835 memset(hours, 0xff, hours_len);
836
837 if (ldap_state->is_nds_ldap) {
838 char *user_dn;
839 size_t pwd_len;
840 char clear_text_pw[512];
841
842 /* Make call to Novell eDirectory ldap extension to get clear text password.
843 NOTE: This will only work if we have an SSL connection to eDirectory. */
844 user_dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
845 if (user_dn != NULL) {
846 DEBUG(3, ("init_sam_from_ldap: smbldap_talloc_dn(ctx, %s) returned '%s'\n", username, user_dn));
847
848 pwd_len = sizeof(clear_text_pw);
849 if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) {
850 nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd);
851 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
852 TALLOC_FREE(user_dn);
853 return False;
854 }
855 ZERO_STRUCT(smblmpwd);
856 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
857 TALLOC_FREE(user_dn);
858 return False;
859 }
860 ZERO_STRUCT(smbntpwd);
861 use_samba_attrs = False;
862 }
863
864 TALLOC_FREE(user_dn);
865
866 } else {
867 DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username));
868 }
869 }
870
871 if (use_samba_attrs) {
872 temp = smbldap_talloc_single_attribute(
873 ldap_state->smbldap_state->ldap_struct,
874 entry,
875 get_userattr_key2string(ldap_state->schema_ver,
876 LDAP_ATTR_LMPW),
877 ctx);
878 if (temp) {
879 pdb_gethexpwd(temp, smblmpwd);
880 memset((char *)temp, '\0', strlen(temp)+1);
881 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
882 goto fn_exit;
883 }
884 ZERO_STRUCT(smblmpwd);
885 }
886
887 temp = smbldap_talloc_single_attribute(
888 ldap_state->smbldap_state->ldap_struct,
889 entry,
890 get_userattr_key2string(ldap_state->schema_ver,
891 LDAP_ATTR_NTPW),
892 ctx);
893 if (temp) {
894 pdb_gethexpwd(temp, smbntpwd);
895 memset((char *)temp, '\0', strlen(temp)+1);
896 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
897 goto fn_exit;
898 }
899 ZERO_STRUCT(smbntpwd);
900 }
901 }
902
903 pwHistLen = 0;
904
905 pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
906 if (pwHistLen > 0){
907 uint8 *pwhist = NULL;
908 int i;
909 char *history_string = TALLOC_ARRAY(ctx, char,
910 MAX_PW_HISTORY_LEN*64);
911
912 if (!history_string) {
913 goto fn_exit;
914 }
915
916 pwHistLen = MIN(pwHistLen, MAX_PW_HISTORY_LEN);
917
918 if ((pwhist = TALLOC_ARRAY(ctx, uint8,
919 pwHistLen * PW_HISTORY_ENTRY_LEN)) ==
920 NULL){
921 DEBUG(0, ("init_sam_from_ldap: talloc failed!\n"));
922 goto fn_exit;
923 }
924 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
925
926 if (smbldap_get_single_attribute(
927 ldap_state->smbldap_state->ldap_struct,
928 entry,
929 get_userattr_key2string(ldap_state->schema_ver,
930 LDAP_ATTR_PWD_HISTORY),
931 history_string,
932 MAX_PW_HISTORY_LEN*64)) {
933 bool hex_failed = false;
934 for (i = 0; i < pwHistLen; i++){
935 /* Get the 16 byte salt. */
936 if (!pdb_gethexpwd(&history_string[i*64],
937 &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
938 hex_failed = true;
939 break;
940 }
941 /* Get the 16 byte MD5 hash of salt+passwd. */
942 if (!pdb_gethexpwd(&history_string[(i*64)+32],
943 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+
944 PW_HISTORY_SALT_LEN])) {
945 hex_failed = True;
946 break;
947 }
948 }
949 if (hex_failed) {
950 DEBUG(2,("init_sam_from_ldap: Failed to get password history for user %s\n",
951 username));
952 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
953 }
954 }
955 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
956 goto fn_exit;
957 }
958 }
959
960 temp = smbldap_talloc_single_attribute(
961 ldap_state->smbldap_state->ldap_struct,
962 entry,
963 get_userattr_key2string(ldap_state->schema_ver,
964 LDAP_ATTR_ACB_INFO),
965 ctx);
966 if (temp) {
967 acct_ctrl = pdb_decode_acct_ctrl(temp);
968
969 if (acct_ctrl == 0) {
970 acct_ctrl |= ACB_NORMAL;
971 }
972
973 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
974 } else {
975 acct_ctrl |= ACB_NORMAL;
976 }
977
978 pdb_set_hours_len(sampass, hours_len, PDB_SET);
979 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
980
981 temp = smbldap_talloc_single_attribute(
982 ldap_state->smbldap_state->ldap_struct,
983 entry,
984 get_userattr_key2string(ldap_state->schema_ver,
985 LDAP_ATTR_BAD_PASSWORD_COUNT),
986 ctx);
987 if (temp) {
988 bad_password_count = (uint32) atol(temp);
989 pdb_set_bad_password_count(sampass,
990 bad_password_count, PDB_SET);
991 }
992
993 temp = smbldap_talloc_single_attribute(
994 ldap_state->smbldap_state->ldap_struct,
995 entry,
996 get_userattr_key2string(ldap_state->schema_ver,
997 LDAP_ATTR_BAD_PASSWORD_TIME),
998 ctx);
999 if (temp) {
1000 bad_password_time = (time_t) atol(temp);
1001 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
1002 }
1003
1004
1005 temp = smbldap_talloc_single_attribute(
1006 ldap_state->smbldap_state->ldap_struct,
1007 entry,
1008 get_userattr_key2string(ldap_state->schema_ver,
1009 LDAP_ATTR_LOGON_COUNT),
1010 ctx);
1011 if (temp) {
1012 logon_count = (uint32) atol(temp);
1013 pdb_set_logon_count(sampass, logon_count, PDB_SET);
1014 }
1015
1016 /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
1017
1018 temp = smbldap_talloc_single_attribute(
1019 ldap_state->smbldap_state->ldap_struct,
1020 entry,
1021 get_userattr_key2string(ldap_state->schema_ver,
1022 LDAP_ATTR_LOGON_HOURS),
1023 ctx);
1024 if (temp) {
1025 pdb_gethexhours(temp, hours);
1026 memset((char *)temp, '\0', strlen(temp) +1);
1027 pdb_set_hours(sampass, hours, PDB_SET);
1028 ZERO_STRUCT(hours);
1029 }
1030
1031 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
1032 temp = smbldap_talloc_single_attribute(
1033 priv2ld(ldap_state),
1034 entry,
1035 "uidNumber",
1036 ctx);
1037 if (temp) {
1038 /* We've got a uid, feed the cache */
1039 uid_t uid = strtoul(temp, NULL, 10);
1040 store_uid_sid_cache(pdb_get_user_sid(sampass), uid);
1041 }
1042 }
1043
1044 /* check the timestamp of the cache vs ldap entry */
1045 if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
1046 entry))) {
1047 ret = true;
1048 goto fn_exit;
1049 }
1050
1051 /* see if we have newer updates */
1052 if (!(cache_entry = login_cache_read(sampass))) {
1053 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
1054 (unsigned int)pdb_get_bad_password_count(sampass),
1055 (unsigned int)pdb_get_bad_password_time(sampass)));
1056 ret = true;
1057 goto fn_exit;
1058 }
1059
1060 DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
1061 (unsigned int)ldap_entry_time,
1062 (unsigned int)cache_entry->entry_timestamp,
1063 (unsigned int)cache_entry->bad_password_time));
1064
1065 if (ldap_entry_time > cache_entry->entry_timestamp) {
1066 /* cache is older than directory , so
1067 we need to delete the entry but allow the
1068 fields to be written out */
1069 login_cache_delentry(sampass);
1070 } else {
1071 /* read cache in */
1072 pdb_set_acct_ctrl(sampass,
1073 pdb_get_acct_ctrl(sampass) |
1074 (cache_entry->acct_ctrl & ACB_AUTOLOCK),
1075 PDB_SET);
1076 pdb_set_bad_password_count(sampass,
1077 cache_entry->bad_password_count,
1078 PDB_SET);
1079 pdb_set_bad_password_time(sampass,
1080 cache_entry->bad_password_time,
1081 PDB_SET);
1082 }
1083
1084 ret = true;
1085
1086 fn_exit:
1087
1088 TALLOC_FREE(ctx);
1089 SAFE_FREE(cache_entry);
1090 return ret;
1091 }
1092
1093 /**********************************************************************
1094 Initialize the ldap db from a struct samu. Called on update.
1095 (Based on init_buffer_from_sam in pdb_tdb.c)
1096 *********************************************************************/
1097
1098 static bool init_ldap_from_sam (struct ldapsam_privates *ldap_state,
1099 LDAPMessage *existing,
1100 LDAPMod *** mods, struct samu * sampass,
1101 bool (*need_update)(const struct samu *,
1102 enum pdb_elements))
1103 {
1104 char *temp = NULL;
1105 uint32 rid;
1106
1107 if (mods == NULL || sampass == NULL) {
1108 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
1109 return False;
1110 }
1111
1112 *mods = NULL;
1113
1114 /*
1115 * took out adding "objectclass: sambaAccount"
1116 * do this on a per-mod basis
1117 */
1118 if (need_update(sampass, PDB_USERNAME)) {
1119 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1120 "uid", pdb_get_username(sampass));
1121 if (ldap_state->is_nds_ldap) {
1122 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1123 "cn", pdb_get_username(sampass));
1124 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1125 "sn", pdb_get_username(sampass));
1126 }
1127 }
1128
1129 DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
1130
1131 /* only update the RID if we actually need to */
1132 if (need_update(sampass, PDB_USERSID)) {
1133 fstring sid_string;
1134 const DOM_SID *user_sid = pdb_get_user_sid(sampass);
1135
1136 switch ( ldap_state->schema_ver ) {
1137 case SCHEMAVER_SAMBAACCOUNT:
1138 if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
1139 DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1140 sid_string_dbg(user_sid),
1141 sid_string_dbg(
1142 &ldap_state->domain_sid)));
1143 return False;
1144 }
1145 if (asprintf(&temp, "%i", rid) < 0) {
1146 return false;
1147 }
1148 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1149 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
1150 temp);
1151 SAFE_FREE(temp);
1152 break;
1153
1154 case SCHEMAVER_SAMBASAMACCOUNT:
1155 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1156 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1157 sid_to_fstring(sid_string, user_sid));
1158 break;
1159
1160 default:
1161 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1162 break;
1163 }
1164 }
1165
1166 /* we don't need to store the primary group RID - so leaving it
1167 'free' to hang off the unix primary group makes life easier */
1168
1169 if (need_update(sampass, PDB_GROUPSID)) {
1170 fstring sid_string;
1171 const DOM_SID *group_sid = pdb_get_group_sid(sampass);
1172
1173 switch ( ldap_state->schema_ver ) {
1174 case SCHEMAVER_SAMBAACCOUNT:
1175 if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
1176 DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1177 sid_string_dbg(group_sid),
1178 sid_string_dbg(
1179 &ldap_state->domain_sid)));
1180 return False;
1181 }
1182
1183 if (asprintf(&temp, "%i", rid) < 0) {
1184 return false;
1185 }
1186 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1187 get_userattr_key2string(ldap_state->schema_ver,
1188 LDAP_ATTR_PRIMARY_GROUP_RID), temp);
1189 SAFE_FREE(temp);
1190 break;
1191
1192 case SCHEMAVER_SAMBASAMACCOUNT:
1193 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1194 get_userattr_key2string(ldap_state->schema_ver,
1195 LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_fstring(sid_string, group_sid));
1196 break;
1197
1198 default:
1199 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1200 break;
1201 }
1202
1203 }
1204
1205 /* displayName, cn, and gecos should all be the same
1206 * most easily accomplished by giving them the same OID
1207 * gecos isn't set here b/c it should be handled by the
1208 * add-user script
1209 * We change displayName only and fall back to cn if
1210 * it does not exist.
1211 */
1212
1213 if (need_update(sampass, PDB_FULLNAME))
1214 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1215 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1216 pdb_get_fullname(sampass));
1217
1218 if (need_update(sampass, PDB_ACCTDESC))
1219 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1220 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1221 pdb_get_acct_desc(sampass));
1222
1223 if (need_update(sampass, PDB_WORKSTATIONS))
1224 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1225 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1226 pdb_get_workstations(sampass));
1227
1228 if (need_update(sampass, PDB_MUNGEDDIAL))
1229 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1230 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1231 pdb_get_munged_dial(sampass));
1232
1233 if (need_update(sampass, PDB_SMBHOME))
1234 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1235 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1236 pdb_get_homedir(sampass));
1237
1238 if (need_update(sampass, PDB_DRIVE))
1239 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1240 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1241 pdb_get_dir_drive(sampass));
1242
1243 if (need_update(sampass, PDB_LOGONSCRIPT))
1244 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1245 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1246 pdb_get_logon_script(sampass));
1247
1248 if (need_update(sampass, PDB_PROFILE))
1249 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1250 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1251 pdb_get_profile_path(sampass));
1252
1253 if (asprintf(&temp, "%li", (long int)pdb_get_logon_time(sampass)) < 0) {
1254 return false;
1255 }
1256 if (need_update(sampass, PDB_LOGONTIME))
1257 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1258 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1259 SAFE_FREE(temp);
1260
1261 if (asprintf(&temp, "%li", (long int)pdb_get_logoff_time(sampass)) < 0) {
1262 return false;
1263 }
1264 if (need_update(sampass, PDB_LOGOFFTIME))
1265 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1266 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1267 SAFE_FREE(temp);
1268
1269 if (asprintf(&temp, "%li", (long int)pdb_get_kickoff_time(sampass)) < 0) {
1270 return false;
1271 }
1272 if (need_update(sampass, PDB_KICKOFFTIME))
1273 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1274 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1275 SAFE_FREE(temp);
1276
1277 if (asprintf(&temp, "%li", (long int)pdb_get_pass_can_change_time_noncalc(sampass)) < 0) {
1278 return false;
1279 }
1280 if (need_update(sampass, PDB_CANCHANGETIME))
1281 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1282 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1283 SAFE_FREE(temp);
1284
1285 if (asprintf(&temp, "%li", (long int)pdb_get_pass_must_change_time(sampass)) < 0) {
1286 return false;
1287 }
1288 if (need_update(sampass, PDB_MUSTCHANGETIME))
1289 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1290 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
1291 SAFE_FREE(temp);
1292
1293 if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1294 || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1295
1296 if (need_update(sampass, PDB_LMPASSWD)) {
1297 const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1298 if (lm_pw) {
1299 char pwstr[34];
1300 pdb_sethexpwd(pwstr, lm_pw,
1301 pdb_get_acct_ctrl(sampass));
1302 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1303 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1304 pwstr);
1305 } else {
1306 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1307 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1308 NULL);
1309 }
1310 }
1311 if (need_update(sampass, PDB_NTPASSWD)) {
1312 const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1313 if (nt_pw) {
1314 char pwstr[34];
1315 pdb_sethexpwd(pwstr, nt_pw,
1316 pdb_get_acct_ctrl(sampass));
1317 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1318 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1319 pwstr);
1320 } else {
1321 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1322 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1323 NULL);
1324 }
1325 }
1326
1327 if (need_update(sampass, PDB_PWHISTORY)) {
1328 char *pwstr = NULL;
1329 uint32 pwHistLen = 0;
1330 pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
1331
1332 pwstr = SMB_MALLOC_ARRAY(char, 1024);
1333 if (!pwstr) {
1334 return false;
1335 }
1336 if (pwHistLen == 0) {
1337 /* Remove any password history from the LDAP store. */
1338 memset(pwstr, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1339 pwstr[64] = '\0';
1340 } else {
1341 int i;
1342 uint32 currHistLen = 0;
1343 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1344 if (pwhist != NULL) {
1345 /* We can only store (1024-1/64 password history entries. */
1346 pwHistLen = MIN(pwHistLen, ((1024-1)/64));
1347 for (i=0; i< pwHistLen && i < currHistLen; i++) {
1348 /* Store the salt. */
1349 pdb_sethexpwd(&pwstr[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1350 /* Followed by the md5 hash of salt + md4 hash */
1351 pdb_sethexpwd(&pwstr[(i*64)+32],
1352 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1353 DEBUG(100, ("pwstr=%s\n", pwstr));
1354 }
1355 }
1356 }
1357 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1358 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1359 pwstr);
1360 SAFE_FREE(pwstr);
1361 }
1362
1363 if (need_update(sampass, PDB_PASSLASTSET)) {
1364 if (asprintf(&temp, "%li",
1365 (long int)pdb_get_pass_last_set_time(sampass)) < 0) {
1366 return false;
1367 }
1368 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1369 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1370 temp);
1371 SAFE_FREE(temp);
1372 }
1373 }
1374
1375 if (need_update(sampass, PDB_HOURS)) {
1376 const uint8 *hours = pdb_get_hours(sampass);
1377 if (hours) {
1378 char hourstr[44];
1379 pdb_sethexhours(hourstr, hours);
1380 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1381 existing,
1382 mods,
1383 get_userattr_key2string(ldap_state->schema_ver,
1384 LDAP_ATTR_LOGON_HOURS),
1385 hourstr);
1386 }
1387 }
1388
1389 if (need_update(sampass, PDB_ACCTCTRL))
1390 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1391 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1392 pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1393
1394 /* password lockout cache:
1395 - If we are now autolocking or clearing, we write to ldap
1396 - If we are clearing, we delete the cache entry
1397 - If the count is > 0, we update the cache
1398
1399 This even means when autolocking, we cache, just in case the
1400 update doesn't work, and we have to cache the autolock flag */
1401
1402 if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
1403 need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1404 uint16 badcount = pdb_get_bad_password_count(sampass);
1405 time_t badtime = pdb_get_bad_password_time(sampass);
1406 uint32 pol;
1407 pdb_get_account_policy(PDB_POLICY_BAD_ATTEMPT_LOCKOUT, &pol);
1408
1409 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1410 (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1411
1412 if ((badcount >= pol) || (badcount == 0)) {
1413 DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1414 (unsigned int)badcount, (unsigned int)badtime));
1415 if (asprintf(&temp, "%li", (long)badcount) < 0) {
1416 return false;
1417 }
1418 smbldap_make_mod(
1419 ldap_state->smbldap_state->ldap_struct,
1420 existing, mods,
1421 get_userattr_key2string(
1422 ldap_state->schema_ver,
1423 LDAP_ATTR_BAD_PASSWORD_COUNT),
1424 temp);
1425 SAFE_FREE(temp);
1426
1427 if (asprintf(&temp, "%li", (long int)badtime) < 0) {
1428 return false;
1429 }
1430 smbldap_make_mod(
1431 ldap_state->smbldap_state->ldap_struct,
1432 existing, mods,
1433 get_userattr_key2string(
1434 ldap_state->schema_ver,
1435 LDAP_ATTR_BAD_PASSWORD_TIME),
1436 temp);
1437 SAFE_FREE(temp);
1438 }
1439 if (badcount == 0) {
1440 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1441 login_cache_delentry(sampass);
1442 } else {
1443 LOGIN_CACHE cache_entry;
1444
1445 cache_entry.entry_timestamp = time(NULL);
1446 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1447 cache_entry.bad_password_count = badcount;
1448 cache_entry.bad_password_time = badtime;
1449
1450 DEBUG(7, ("Updating bad password count and time in login cache\n"));
1451 login_cache_write(sampass, cache_entry);
1452 }
1453 }
1454
1455 return True;
1456 }
1457
1458 /**********************************************************************
1459 End enumeration of the LDAP password list.
1460 *********************************************************************/
1461
1462 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1463 {
1464 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1465 if (ldap_state->result) {
1466 ldap_msgfree(ldap_state->result);
1467 ldap_state->result = NULL;
1468 }
1469 }
1470
1471 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1472 const char *new_attr)
1473 {
1474 int i;
1475
1476 if (new_attr == NULL) {
1477 return;
1478 }
1479
1480 for (i=0; (*attr_list)[i] != NULL; i++) {
1481 ;
1482 }
1483
1484 (*attr_list) = TALLOC_REALLOC_ARRAY(mem_ctx, (*attr_list),
1485 const char *, i+2);
1486 SMB_ASSERT((*attr_list) != NULL);
1487 (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1488 (*attr_list)[i+1] = NULL;
1489 }
1490
1491 /**********************************************************************
1492 Get struct samu entry from LDAP by username.
1493 *********************************************************************/
1494
1495 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1496 {
1497 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1498 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1499 LDAPMessage *result = NULL;
1500 LDAPMessage *entry = NULL;
1501 int count;
1502 const char ** attr_list;
1503 int rc;
1504
1505 attr_list = get_userattr_list( user, ldap_state->schema_ver );
1506 append_attr(user, &attr_list,
1507 get_userattr_key2string(ldap_state->schema_ver,
1508 LDAP_ATTR_MOD_TIMESTAMP));
1509 append_attr(user, &attr_list, "uidNumber");
1510 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1511 attr_list);
1512 TALLOC_FREE( attr_list );
1513
1514 if ( rc != LDAP_SUCCESS )
1515 return NT_STATUS_NO_SUCH_USER;
1516
1517 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1518
1519 if (count < 1) {
1520 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1521 ldap_msgfree(result);
1522 return NT_STATUS_NO_SUCH_USER;
1523 } else if (count > 1) {
1524 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1525 ldap_msgfree(result);
1526 return NT_STATUS_NO_SUCH_USER;
1527 }
1528
1529 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1530 if (entry) {
1531 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1532 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1533 ldap_msgfree(result);
1534 return NT_STATUS_NO_SUCH_USER;
1535 }
1536 pdb_set_backend_private_data(user, result, NULL,
1537 my_methods, PDB_CHANGED);
1538 talloc_autofree_ldapmsg(user, result);
1539 ret = NT_STATUS_OK;
1540 } else {
1541 ldap_msgfree(result);
1542 }
1543 return ret;
1544 }
1545
1546 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1547 const DOM_SID *sid, LDAPMessage **result)
1548 {
1549 int rc = -1;
1550 const char ** attr_list;
1551 uint32 rid;
1552
1553 switch ( ldap_state->schema_ver ) {
1554 case SCHEMAVER_SAMBASAMACCOUNT: {
1555 TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1556 if (tmp_ctx == NULL) {
1557 return LDAP_NO_MEMORY;
1558 }
1559
1560 attr_list = get_userattr_list(tmp_ctx,
1561 ldap_state->schema_ver);
1562 append_attr(tmp_ctx, &attr_list,
1563 get_userattr_key2string(
1564 ldap_state->schema_ver,
1565 LDAP_ATTR_MOD_TIMESTAMP));
1566 append_attr(tmp_ctx, &attr_list, "uidNumber");
1567 rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1568 result, attr_list);
1569 TALLOC_FREE(tmp_ctx);
1570
1571 if ( rc != LDAP_SUCCESS )
1572 return rc;
1573 break;
1574 }
1575
1576 case SCHEMAVER_SAMBAACCOUNT:
1577 if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1578 return rc;
1579 }
1580
1581 attr_list = get_userattr_list(NULL,
1582 ldap_state->schema_ver);
1583 rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1584 TALLOC_FREE( attr_list );
1585
1586 if ( rc != LDAP_SUCCESS )
1587 return rc;
1588 break;
1589 }
1590 return rc;
1591 }
1592
1593 /**********************************************************************
1594 Get struct samu entry from LDAP by SID.
1595 *********************************************************************/
1596
1597 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const DOM_SID *sid)
1598 {
1599 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1600 LDAPMessage *result = NULL;
1601 LDAPMessage *entry = NULL;
1602 int count;
1603 int rc;
1604
1605 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1606 sid, &result);
1607 if (rc != LDAP_SUCCESS)
1608 return NT_STATUS_NO_SUCH_USER;
1609
1610 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1611
1612 if (count < 1) {
1613 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] "
1614 "count=%d\n", sid_string_dbg(sid), count));
1615 ldap_msgfree(result);
1616 return NT_STATUS_NO_SUCH_USER;
1617 } else if (count > 1) {
1618 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID "
1619 "[%s]. Failing. count=%d\n", sid_string_dbg(sid),
1620 count));
1621 ldap_msgfree(result);
1622 return NT_STATUS_NO_SUCH_USER;
1623 }
1624
1625 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1626 if (!entry) {
1627 ldap_msgfree(result);
1628 return NT_STATUS_NO_SUCH_USER;
1629 }
1630
1631 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1632 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1633 ldap_msgfree(result);
1634 return NT_STATUS_NO_SUCH_USER;
1635 }
1636
1637 pdb_set_backend_private_data(user, result, NULL,
1638 my_methods, PDB_CHANGED);
1639 talloc_autofree_ldapmsg(user, result);
1640 return NT_STATUS_OK;
1641 }
1642
1643 /********************************************************************
1644 Do the actual modification - also change a plaintext passord if
1645 it it set.
1646 **********************************************************************/
1647
1648 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1649 struct samu *newpwd, char *dn,
1650 LDAPMod **mods, int ldap_op,
1651 bool (*need_update)(const struct samu *, enum pdb_elements))
1652 {
1653 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1654 int rc;
1655
1656 if (!newpwd || !dn) {
1657 return NT_STATUS_INVALID_PARAMETER;
1658 }
1659
1660 if (!mods) {
1661 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1662 /* may be password change below however */
1663 } else {
1664 switch(ldap_op) {
1665 case LDAP_MOD_ADD:
1666 if (ldap_state->is_nds_ldap) {
1667 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1668 "objectclass",
1669 "inetOrgPerson");
1670 } else {
1671 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1672 "objectclass",
1673 LDAP_OBJ_ACCOUNT);
1674 }
1675 rc = smbldap_add(ldap_state->smbldap_state,
1676 dn, mods);
1677 break;
1678 case LDAP_MOD_REPLACE:
1679 rc = smbldap_modify(ldap_state->smbldap_state,
1680 dn ,mods);
1681 break;
1682 default:
1683 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1684 ldap_op));
1685 return NT_STATUS_INVALID_PARAMETER;
1686 }
1687
1688 if (rc!=LDAP_SUCCESS) {
1689 return NT_STATUS_UNSUCCESSFUL;
1690 }
1691 }
1692
1693 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1694 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1695 need_update(newpwd, PDB_PLAINTEXT_PW) &&
1696 (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1697 BerElement *ber;
1698 struct berval *bv;
1699 char *retoid = NULL;
1700 struct berval *retdata = NULL;
1701 char *utf8_password;
1702 char *utf8_dn;
1703 size_t converted_size;
1704 int ret;
1705
1706 if (!ldap_state->is_nds_ldap) {
1707
1708 if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct,
1709 LDAP_EXOP_MODIFY_PASSWD)) {
1710 DEBUG(2, ("ldap password change requested, but LDAP "
1711 "server does not support it -- ignoring\n"));
1712 return NT_STATUS_OK;
1713 }
1714 }
1715
1716 if (!push_utf8_talloc(talloc_tos(), &utf8_password,
1717 pdb_get_plaintext_passwd(newpwd),
1718 &converted_size))
1719 {
1720 return NT_STATUS_NO_MEMORY;
1721 }
1722
1723 if (!push_utf8_talloc(talloc_tos(), &utf8_dn, dn, &converted_size)) {
1724 TALLOC_FREE(utf8_password);
1725 return NT_STATUS_NO_MEMORY;
1726 }
1727
1728 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1729 DEBUG(0,("ber_alloc_t returns NULL\n"));
1730 TALLOC_FREE(utf8_password);
1731 TALLOC_FREE(utf8_dn);
1732 return NT_STATUS_UNSUCCESSFUL;
1733 }
1734
1735 if ((ber_printf (ber, "{") < 0) ||
1736 (ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID,
1737 utf8_dn) < 0)) {
1738 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1739 "value <0\n"));
1740 ber_free(ber,1);
1741 TALLOC_FREE(utf8_dn);
1742 TALLOC_FREE(utf8_password);
1743 return NT_STATUS_UNSUCCESSFUL;
1744 }
1745
1746 if ((utf8_password != NULL) && (*utf8_password != '\0')) {
1747 ret = ber_printf(ber, "ts}",
1748 LDAP_TAG_EXOP_MODIFY_PASSWD_NEW,
1749 utf8_password);
1750 } else {
1751 ret = ber_printf(ber, "}");
1752 }
1753
1754 if (ret < 0) {
1755 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1756 "value <0\n"));
1757 ber_free(ber,1);
1758 TALLOC_FREE(utf8_dn);
1759 TALLOC_FREE(utf8_password);
1760 return NT_STATUS_UNSUCCESSFUL;
1761 }
1762
1763 if ((rc = ber_flatten (ber, &bv))<0) {
1764 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1765 ber_free(ber,1);
1766 TALLOC_FREE(utf8_dn);
1767 TALLOC_FREE(utf8_password);
1768 return NT_STATUS_UNSUCCESSFUL;
1769 }
1770
1771 TALLOC_FREE(utf8_dn);
1772 TALLOC_FREE(utf8_password);
1773 ber_free(ber, 1);
1774
1775 if (!ldap_state->is_nds_ldap) {
1776 rc = smbldap_extended_operation(ldap_state->smbldap_state,
1777 LDAP_EXOP_MODIFY_PASSWD,
1778 bv, NULL, NULL, &retoid,
1779 &retdata);
1780 } else {
1781 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1782 pdb_get_plaintext_passwd(newpwd));
1783 }
1784 if (rc != LDAP_SUCCESS) {
1785 char *ld_error = NULL;
1786
1787 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1788 DEBUG(3, ("Could not set userPassword "
1789 "attribute due to an objectClass "
1790 "violation -- ignoring\n"));
1791 ber_bvfree(bv);
1792 return NT_STATUS_OK;
1793 }
1794
1795 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1796 &ld_error);
1797 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1798 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1799 SAFE_FREE(ld_error);
1800 ber_bvfree(bv);
1801 #if defined(LDAP_CONSTRAINT_VIOLATION)
1802 if (rc == LDAP_CONSTRAINT_VIOLATION)
1803 return NT_STATUS_PASSWORD_RESTRICTION;
1804 #endif
1805 return NT_STATUS_UNSUCCESSFUL;
1806 } else {
1807 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1808 #ifdef DEBUG_PASSWORD
1809 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1810 #endif
1811 if (retdata)
1812 ber_bvfree(retdata);
1813 if (retoid)
1814 ldap_memfree(retoid);
1815 }
1816 ber_bvfree(bv);
1817 }
1818 return NT_STATUS_OK;
1819 }
1820
1821 /**********************************************************************
1822 Delete entry from LDAP for username.
1823 *********************************************************************/
1824
1825 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1826 struct samu * sam_acct)
1827 {
1828 struct ldapsam_privates *priv =
1829 (struct ldapsam_privates *)my_methods->private_data;
1830 const char *sname;
1831 int rc;
1832 LDAPMessage *msg, *entry;
1833 NTSTATUS result = NT_STATUS_NO_MEMORY;
1834 const char **attr_list;
1835 TALLOC_CTX *mem_ctx;
1836
1837 if (!sam_acct) {
1838 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1839 return NT_STATUS_INVALID_PARAMETER;
1840 }
1841
1842 sname = pdb_get_username(sam_acct);
1843
1844 DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1845 "LDAP.\n", sname));
1846
1847 mem_ctx = talloc_new(NULL);
1848 if (mem_ctx == NULL) {
1849 DEBUG(0, ("talloc_new failed\n"));
1850 goto done;
1851 }
1852
1853 attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1854 if (attr_list == NULL) {
1855 goto done;
1856 }
1857
1858 rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1859
1860 if ((rc != LDAP_SUCCESS) ||
1861 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1862 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1863 DEBUG(5, ("Could not find user %s\n", sname));
1864 result = NT_STATUS_NO_SUCH_USER;
1865 goto done;
1866 }
1867
1868 rc = ldapsam_delete_entry(
1869 priv, mem_ctx, entry,
1870 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1871 LDAP_OBJ_SAMBASAMACCOUNT : LDAP_OBJ_SAMBAACCOUNT,
1872 attr_list);
1873
1874 result = (rc == LDAP_SUCCESS) ?
1875 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1876
1877 done:
1878 TALLOC_FREE(mem_ctx);
1879 return result;
1880 }
1881
1882 /**********************************************************************
1883 Helper function to determine for update_sam_account whether
1884 we need LDAP modification.
1885 *********************************************************************/
1886
1887 static bool element_is_changed(const struct samu *sampass,
1888 enum pdb_elements element)
1889 {
1890 return IS_SAM_CHANGED(sampass, element);
1891 }
1892
1893 /**********************************************************************
1894 Update struct samu.
1895 *********************************************************************/
1896
1897 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1898 {
1899 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1900 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1901 int rc = 0;
1902 char *dn;
1903 LDAPMessage *result = NULL;
1904 LDAPMessage *entry = NULL;
1905 LDAPMod **mods = NULL;
1906 const char **attr_list;
1907
1908 result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1909 if (!result) {
1910 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1911 if (pdb_get_username(newpwd) == NULL) {
1912 return NT_STATUS_INVALID_PARAMETER;
1913 }
1914 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1915 TALLOC_FREE( attr_list );
1916 if (rc != LDAP_SUCCESS) {
1917 return NT_STATUS_UNSUCCESSFUL;
1918 }
1919 pdb_set_backend_private_data(newpwd, result, NULL,
1920 my_methods, PDB_CHANGED);
1921 talloc_autofree_ldapmsg(newpwd, result);
1922 }
1923
1924 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1925 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1926 return NT_STATUS_UNSUCCESSFUL;
1927 }
1928
1929 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1930 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
1931 if (!dn) {
1932 return NT_STATUS_UNSUCCESSFUL;
1933 }
1934
1935 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1936
1937 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1938 element_is_changed)) {
1939 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1940 TALLOC_FREE(dn);
1941 if (mods != NULL)
1942 ldap_mods_free(mods,True);
1943 return NT_STATUS_UNSUCCESSFUL;
1944 }
1945
1946 if ((lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_ONLY)
1947 && (mods == NULL)) {
1948 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
1949 pdb_get_username(newpwd)));
1950 TALLOC_FREE(dn);
1951 return NT_STATUS_OK;
1952 }
1953
1954 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
1955
1956 if (mods != NULL) {
1957 ldap_mods_free(mods,True);
1958 }
1959
1960 TALLOC_FREE(dn);
1961
1962 /*
1963 * We need to set the backend private data to NULL here. For example
1964 * setuserinfo level 25 does a pdb_update_sam_account twice on the
1965 * same one, and with the explicit delete / add logic for attribute
1966 * values the second time we would use the wrong "old" value which
1967 * does not exist in LDAP anymore. Thus the LDAP server would refuse
1968 * the update.
1969 * The existing LDAPMessage is still being auto-freed by the
1970 * destructor.
1971 */
1972 pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
1973 PDB_CHANGED);
1974
1975 if (!NT_STATUS_IS_OK(ret)) {
1976 return ret;
1977 }
1978
1979 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
1980 pdb_get_username(newpwd)));
1981 return NT_STATUS_OK;
1982 }
1983
1984 /***************************************************************************
1985 Renames a struct samu
1986 - The "rename user script" has full responsibility for changing everything
1987 ***************************************************************************/
1988
1989 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
1990 TALLOC_CTX *tmp_ctx,
1991 uint32 group_rid,
1992 uint32 member_rid);
1993
1994 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
1995 TALLOC_CTX *mem_ctx,
1996 struct samu *user,
1997 DOM_SID **pp_sids,
1998 gid_t **pp_gids,
1999 size_t *p_num_groups);
2000
2001 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
2002 struct samu *old_acct,
2003 const char *newname)
2004 {
2005 const char *oldname;
2006 int rc;
2007 char *rename_script = NULL;
2008 fstring oldname_lower, newname_lower;
2009
2010 if (!old_acct) {
2011 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
2012 return NT_STATUS_INVALID_PARAMETER;
2013 }
2014 if (!newname) {
2015 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
2016 return NT_STATUS_INVALID_PARAMETER;
2017 }
2018
2019 oldname = pdb_get_username(old_acct);
2020
2021 /* rename the posix user */
2022 rename_script = SMB_STRDUP(lp_renameuser_script());
2023 if (rename_script == NULL) {
2024 return NT_STATUS_NO_MEMORY;
2025 }
2026
2027 if (!(*rename_script)) {
2028 SAFE_FREE(rename_script);
2029 return NT_STATUS_ACCESS_DENIED;
2030 }
2031
2032 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
2033 oldname, newname));
2034
2035 /* We have to allow the account name to end with a '$'.
2036 Also, follow the semantics in _samr_create_user() and lower case the
2037 posix name but preserve the case in passdb */
2038
2039 fstrcpy( oldname_lower, oldname );
2040 strlower_m( oldname_lower );
2041 fstrcpy( newname_lower, newname );
2042 strlower_m( newname_lower );
2043 rename_script = realloc_string_sub2(rename_script,
2044 "%unew",
2045 newname_lower,
2046 true,
2047 true);
2048 if (!rename_script) {
2049 return NT_STATUS_NO_MEMORY;
2050 }
2051 rename_script = realloc_string_sub2(rename_script,
2052 "%uold",
2053 oldname_lower,
2054 true,
2055 true);
2056 rc = smbrun(rename_script, NULL);
2057
2058 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
2059 rename_script, rc));
2060
2061 SAFE_FREE(rename_script);
2062
2063 if (rc == 0) {
2064 smb_nscd_flush_user_cache();
2065 }
2066
2067 if (rc)
2068 return NT_STATUS_UNSUCCESSFUL;
2069
2070 return NT_STATUS_OK;
2071 }
2072
2073 /**********************************************************************
2074 Helper function to determine for update_sam_account whether
2075 we need LDAP modification.
2076 *********************************************************************/
2077
2078 static bool element_is_set_or_changed(const struct samu *sampass,
2079 enum pdb_elements element)
2080 {
2081 return (IS_SAM_SET(sampass, element) ||
2082 IS_SAM_CHANGED(sampass, element));
2083 }
2084
2085 /**********************************************************************
2086 Add struct samu to LDAP.
2087 *********************************************************************/
2088
2089 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
2090 {
2091 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2092 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2093 int rc;
2094 LDAPMessage *result = NULL;
2095 LDAPMessage *entry = NULL;
2096 LDAPMod **mods = NULL;
2097 int ldap_op = LDAP_MOD_REPLACE;
2098 uint32 num_result;
2099 const char **attr_list;
2100 char *escape_user = NULL;
2101 const char *username = pdb_get_username(newpwd);
2102 const DOM_SID *sid = pdb_get_user_sid(newpwd);
2103 char *filter = NULL;
2104 char *dn = NULL;
2105 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
2106 TALLOC_CTX *ctx = talloc_init("ldapsam_add_sam_account");
2107
2108 if (!ctx) {
2109 return NT_STATUS_NO_MEMORY;
2110 }
2111
2112 if (!username || !*username) {
2113 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
2114 status = NT_STATUS_INVALID_PARAMETER;
2115 goto fn_exit;
2116 }
2117
2118 /* free this list after the second search or in case we exit on failure */
2119 attr_list = get_userattr_list(ctx, ldap_state->schema_ver);
2120
2121 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
2122
2123 if (rc != LDAP_SUCCESS) {
2124 goto fn_exit;
2125 }
2126
2127 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2128 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
2129 username));
2130 goto fn_exit;
2131 }
2132 ldap_msgfree(result);
2133 result = NULL;
2134
2135 if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
2136 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
2137 sid, &result);
2138 if (rc == LDAP_SUCCESS) {
2139 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2140 DEBUG(0,("ldapsam_add_sam_account: SID '%s' "
2141 "already in the base, with samba "
2142 "attributes\n", sid_string_dbg(sid)));
2143 goto fn_exit;
2144 }
2145 ldap_msgfree(result);
2146 result = NULL;
2147 }
2148 }
2149
2150 /* does the entry already exist but without a samba attributes?
2151 we need to return the samba attributes here */
2152
2153 escape_user = escape_ldap_string(talloc_tos(), username);
2154 filter = talloc_strdup(attr_list, "(uid=%u)");
2155 if (!filter) {
2156 status = NT_STATUS_NO_MEMORY;
2157 goto fn_exit;
2158 }
2159 filter = talloc_all_string_sub(attr_list, filter, "%u", escape_user);
2160 TALLOC_FREE(escape_user);
2161 if (!filter) {
2162 status = NT_STATUS_NO_MEMORY;
2163 goto fn_exit;
2164 }
2165
2166 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2167 filter, attr_list, &result);
2168 if ( rc != LDAP_SUCCESS ) {
2169 goto fn_exit;
2170 }
2171
2172 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2173
2174 if (num_result > 1) {
2175 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
2176 goto fn_exit;
2177 }
2178
2179 /* Check if we need to update an existing entry */
2180 if (num_result == 1) {
2181 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2182 ldap_op = LDAP_MOD_REPLACE;
2183 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2184 dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
2185 if (!dn) {
2186 status = NT_STATUS_NO_MEMORY;
2187 goto fn_exit;
2188 }
2189
2190 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2191
2192 /* There might be a SID for this account already - say an idmap entry */
2193
2194 filter = talloc_asprintf(ctx,
2195 "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2196 get_userattr_key2string(ldap_state->schema_ver,
2197 LDAP_ATTR_USER_SID),
2198 sid_string_talloc(ctx, sid),
2199 LDAP_OBJ_IDMAP_ENTRY,
2200 LDAP_OBJ_SID_ENTRY);
2201 if (!filter) {
2202 status = NT_STATUS_NO_MEMORY;
2203 goto fn_exit;
2204 }
2205
2206 /* free old result before doing a new search */
2207 if (result != NULL) {
2208 ldap_msgfree(result);
2209 result = NULL;
2210 }
2211 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2212 filter, attr_list, &result);
2213
2214 if ( rc != LDAP_SUCCESS ) {
2215 goto fn_exit;
2216 }
2217
2218 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2219
2220 if (num_result > 1) {
2221 DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2222 goto fn_exit;
2223 }
2224
2225 /* Check if we need to update an existing entry */
2226 if (num_result == 1) {
2227
2228 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2229 ldap_op = LDAP_MOD_REPLACE;
2230 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2231 dn = smbldap_talloc_dn (ctx, ldap_state->smbldap_state->ldap_struct, entry);
2232 if (!dn) {
2233 status = NT_STATUS_NO_MEMORY;
2234 goto fn_exit;
2235 }
2236 }
2237 }
2238
2239 if (num_result == 0) {
2240 char *escape_username;
2241 /* Check if we need to add an entry */
2242 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2243 ldap_op = LDAP_MOD_ADD;
2244
2245 escape_username = escape_rdn_val_string_alloc(username);
2246 if (!escape_username) {
2247 status = NT_STATUS_NO_MEMORY;
2248 goto fn_exit;
2249 }
2250
2251 if (username[strlen(username)-1] == '$') {
2252 dn = talloc_asprintf(ctx,
2253 "uid=%s,%s",
2254 escape_username,
2255 lp_ldap_machine_suffix());
2256 } else {
2257 dn = talloc_asprintf(ctx,
2258 "uid=%s,%s",
2259 escape_username,
2260 lp_ldap_user_suffix());
2261 }
2262
2263 SAFE_FREE(escape_username);
2264 if (!dn) {
2265 status = NT_STATUS_NO_MEMORY;
2266 goto fn_exit;
2267 }
2268 }
2269
2270 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2271 element_is_set_or_changed)) {
2272 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2273 if (mods != NULL) {
2274 ldap_mods_free(mods, true);
2275 }
2276 goto fn_exit;
2277 }
2278
2279 if (mods == NULL) {
2280 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2281 goto fn_exit;
2282 }
2283 switch ( ldap_state->schema_ver ) {
2284 case SCHEMAVER_SAMBAACCOUNT:
2285 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2286 break;
2287 case SCHEMAVER_SAMBASAMACCOUNT:
2288 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2289 break;
2290 default:
2291 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2292 break;
2293 }
2294
2295 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
2296 if (!NT_STATUS_IS_OK(ret)) {
2297 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2298 pdb_get_username(newpwd),dn));
2299 ldap_mods_free(mods, true);
2300 goto fn_exit;
2301 }
2302
2303 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2304 ldap_mods_free(mods, true);
2305
2306 status = NT_STATUS_OK;
2307
2308 fn_exit:
2309
2310 TALLOC_FREE(ctx);
2311 if (result) {
2312 ldap_msgfree(result);
2313 }
2314 return status;
2315 }
2316
2317 /**********************************************************************
2318 *********************************************************************/
2319
2320 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2321 const char *filter,
2322 LDAPMessage ** result)
2323 {
2324 int scope = LDAP_SCOPE_SUBTREE;
2325 int rc;
2326 const char **attr_list;
2327
2328 attr_list = get_attr_list(NULL, groupmap_attr_list);
2329 rc = smbldap_search(ldap_state->smbldap_state,
2330 lp_ldap_suffix (), scope,
2331 filter, attr_list, 0, result);
2332 TALLOC_FREE(attr_list);
2333
2334 return rc;
2335 }
2336
2337 /**********************************************************************
2338 *********************************************************************/
2339
2340 static bool init_group_from_ldap(struct ldapsam_privates *ldap_state,
2341 GROUP_MAP *map, LDAPMessage *entry)
2342 {
2343 char *temp = NULL;
2344 TALLOC_CTX *ctx = talloc_init("init_group_from_ldap");
2345
2346 if (ldap_state == NULL || map == NULL || entry == NULL ||
2347 ldap_state->smbldap_state->ldap_struct == NULL) {
2348 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2349 TALLOC_FREE(ctx);
2350 return false;
2351 }
2352
2353 temp = smbldap_talloc_single_attribute(
2354 ldap_state->smbldap_state->ldap_struct,
2355 entry,
2356 get_attr_key2string(groupmap_attr_list,
2357 LDAP_ATTR_GIDNUMBER),
2358 ctx);
2359 if (!temp) {
2360 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2361 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2362 TALLOC_FREE(ctx);
2363 return false;
2364 }
2365 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2366
2367 map->gid = (gid_t)atol(temp);
2368
2369 TALLOC_FREE(temp);
2370 temp = smbldap_talloc_single_attribute(
2371 ldap_state->smbldap_state->ldap_struct,
2372 entry,
2373 get_attr_key2string(groupmap_attr_list,
2374 LDAP_ATTR_GROUP_SID),
2375 ctx);
2376 if (!temp) {
2377 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2378 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2379 TALLOC_FREE(ctx);
2380 return false;
2381 }
2382
2383 if (!string_to_sid(&map->sid, temp)) {
2384 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2385 TALLOC_FREE(ctx);
2386 return false;
2387 }
2388
2389 TALLOC_FREE(temp);
2390 temp = smbldap_talloc_single_attribute(
2391 ldap_state->smbldap_state->ldap_struct,
2392 entry,
2393 get_attr_key2string(groupmap_attr_list,
2394 LDAP_ATTR_GROUP_TYPE),
2395 ctx);
2396 if (!temp) {
2397 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2398 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2399 TALLOC_FREE(ctx);
2400 return false;
2401 }
2402 map->sid_name_use = (enum lsa_SidType)atol(temp);
2403
2404 if ((map->sid_name_use < SID_NAME_USER) ||
2405 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2406 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2407 TALLOC_FREE(ctx);
2408 return false;
2409 }
2410
2411 TALLOC_FREE(temp);
2412 temp = smbldap_talloc_single_attribute(
2413 ldap_state->smbldap_state->ldap_struct,
2414 entry,
2415 get_attr_key2string(groupmap_attr_list,
2416 LDAP_ATTR_DISPLAY_NAME),
2417 ctx);
2418 if (!temp) {
2419 temp = smbldap_talloc_single_attribute(
2420 ldap_state->smbldap_state->ldap_struct,
2421 entry,
2422 get_attr_key2string(groupmap_attr_list,
2423 LDAP_ATTR_CN),
2424 ctx);
2425 if (!temp) {
2426 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2427 for gidNumber(%lu)\n",(unsigned long)map->gid));
2428 TALLOC_FREE(ctx);
2429 return false;
2430 }
2431 }
2432 fstrcpy(map->nt_name, temp);
2433
2434 TALLOC_FREE(temp);
2435 temp = smbldap_talloc_single_attribute(
2436 ldap_state->smbldap_state->ldap_struct,
2437 entry,
2438 get_attr_key2string(groupmap_attr_list,
2439 LDAP_ATTR_DESC),
2440 ctx);
2441 if (!temp) {
2442 temp = talloc_strdup(ctx, "");
2443 if (!temp) {
2444 TALLOC_FREE(ctx);
2445 return false;
2446 }
2447 }
2448 fstrcpy(map->comment, temp);
2449
2450 if (lp_parm_bool(-1, "ldapsam", "trusted", false)) {
2451 store_gid_sid_cache(&map->sid, map->gid);
2452 }
2453
2454 TALLOC_FREE(ctx);
2455 return true;
2456 }
2457
2458 /**********************************************************************
2459 *********************************************************************/
2460
2461 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2462 const char *filter,
2463 GROUP_MAP *map)
2464 {
2465 struct ldapsam_privates *ldap_state =
2466 (struct ldapsam_privates *)methods->private_data;
2467 LDAPMessage *result = NULL;
2468 LDAPMessage *entry = NULL;
2469 int count;
2470
2471 if (ldapsam_search_one_group(ldap_state, filter, &result)
2472 != LDAP_SUCCESS) {
2473 return NT_STATUS_NO_SUCH_GROUP;
2474 }
2475
2476 count = ldap_count_entries(priv2ld(ldap_state), result);
2477
2478 if (count < 1) {
2479 DEBUG(4, ("ldapsam_getgroup: Did not find group, filter was "
2480 "%s\n", filter));
2481 ldap_msgfree(result);
2482 return NT_STATUS_NO_SUCH_GROUP;
2483 }
2484
2485 if (count > 1) {
2486 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2487 "count=%d\n", filter, count));
2488 ldap_msgfree(result);
2489 return NT_STATUS_NO_SUCH_GROUP;
2490 }
2491
2492 entry = ldap_first_entry(priv2ld(ldap_state), result);
2493
2494 if (!entry) {
2495 ldap_msgfree(result);
2496 return NT_STATUS_UNSUCCESSFUL;
2497 }
2498
2499 if (!init_group_from_ldap(ldap_state, map, entry)) {
2500 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2501 "group filter %s\n", filter));
2502 ldap_msgfree(result);
2503 return NT_STATUS_NO_SUCH_GROUP;
2504 }
2505
2506 ldap_msgfree(result);
2507 return NT_STATUS_OK;
2508 }
2509
2510 /**********************************************************************
2511 *********************************************************************/
2512
2513 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2514 DOM_SID sid)
2515 {
2516 char *filter = NULL;
2517 NTSTATUS status;
2518 fstring tmp;
2519
2520 if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
2521 LDAP_OBJ_GROUPMAP,
2522 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2523 sid_to_fstring(tmp, &sid)) < 0) {
2524 return NT_STATUS_NO_MEMORY;
2525 }
2526
2527 status = ldapsam_getgroup(methods, filter, map);
2528 SAFE_FREE(filter);
2529 return status;
2530 }
2531
2532 /**********************************************************************
2533 *********************************************************************/
2534
2535 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2536 gid_t gid)
2537 {
2538 char *filter = NULL;
2539 NTSTATUS status;
2540
2541 if (asprintf(&filter, "(&(objectClass=%s)(%s=%lu))",
2542 LDAP_OBJ_GROUPMAP,
2543 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2544 (unsigned long)gid) < 0) {
2545 return NT_STATUS_NO_MEMORY;
2546 }
2547
2548 status = ldapsam_getgroup(methods, filter, map);
2549 SAFE_FREE(filter);
2550 return status;
2551 }
2552
2553 /**********************************************************************
2554 *********************************************************************/
2555
2556 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2557 const char *name)
2558 {
2559 char *filter = NULL;
2560 char *escape_name = escape_ldap_string(talloc_tos(), name);
2561 NTSTATUS status;
2562
2563 if (!escape_name) {
2564 return NT_STATUS_NO_MEMORY;
2565 }
2566
2567 if (asprintf(&filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2568 LDAP_OBJ_GROUPMAP,
2569 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2570 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN),
2571 escape_name) < 0) {
2572 TALLOC_FREE(escape_name);
2573 return NT_STATUS_NO_MEMORY;
2574 }
2575
2576 TALLOC_FREE(escape_name);
2577 status = ldapsam_getgroup(methods, filter, map);
2578 SAFE_FREE(filter);
2579 return status;
2580 }
2581
2582 static bool ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2583 LDAPMessage *entry,
2584 const DOM_SID *domain_sid,
2585 uint32 *rid)
2586 {
2587 fstring str;
2588 DOM_SID sid;
2589
2590 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2591 str, sizeof(str)-1)) {
2592 DEBUG(10, ("Could not find sambaSID attribute\n"));
2593 return False;
2594 }
2595
2596 if (!string_to_sid(&sid, str)) {
2597 DEBUG(10, ("Could not convert string %s to sid\n", str));
2598 return False;
2599 }
2600
2601 if (sid_compare_domain(&sid, domain_sid) != 0) {
2602 DEBUG(10, ("SID %s is not in expected domain %s\n",
2603 str, sid_string_dbg(domain_sid)));
2604 return False;
2605 }
2606
2607 if (!sid_peek_rid(&sid, rid)) {
2608 DEBUG(10, ("Could not peek into RID\n"));
2609 return False;
2610 }
2611
2612 return True;
2613 }
2614
2615 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2616 TALLOC_CTX *mem_ctx,
2617 const DOM_SID *group,
2618 uint32 **pp_member_rids,
2619 size_t *p_num_members)
2620 {
2621 struct ldapsam_privates *ldap_state =
2622 (struct ldapsam_privates *)methods->private_data;
2623 struct smbldap_state *conn = ldap_state->smbldap_state;
2624 const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2625 const char *sid_attrs[] = { "sambaSID", NULL };
2626 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2627 LDAPMessage *result = NULL;
2628 LDAPMessage *entry;
2629 char *filter;
2630 char **values = NULL;
2631 char **memberuid;
2632 char *gidstr;
2633 int rc, count;
2634
2635 *pp_member_rids = NULL;
2636 *p_num_members = 0;
2637
2638 filter = talloc_asprintf(mem_ctx,
2639 "(&(objectClass=%s)"
2640 "(objectClass=%s)"
2641 "(sambaSID=%s))",
2642 LDAP_OBJ_POSIXGROUP,
2643 LDAP_OBJ_GROUPMAP,
2644 sid_string_talloc(mem_ctx, group));
2645 if (filter == NULL) {
2646 ret = NT_STATUS_NO_MEMORY;
2647 goto done;
2648 }
2649
2650 rc = smbldap_search(conn, lp_ldap_suffix(),
2651 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2652 &result);
2653
2654 if (rc != LDAP_SUCCESS)
2655 goto done;
2656
2657 talloc_autofree_ldapmsg(mem_ctx, result);
2658
2659 count = ldap_count_entries(conn->ldap_struct, result);
2660
2661 if (count > 1) {
2662 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2663 sid_string_dbg(group)));
2664 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2665 goto done;
2666 }
2667
2668 if (count == 0) {
2669 ret = NT_STATUS_NO_SUCH_GROUP;
2670 goto done;
2671 }
2672
2673 entry = ldap_first_entry(conn->ldap_struct, result);
2674 if (entry == NULL)
2675 goto done;
2676
2677 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2678 if (!gidstr) {
2679 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2680 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2681 goto done;
2682 }
2683
2684 values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2685
2686 if (values) {
2687
2688 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2689 if (filter == NULL) {
2690 ret = NT_STATUS_NO_MEMORY;
2691 goto done;
2692 }
2693
2694 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2695 char *escape_memberuid;
2696
2697 escape_memberuid = escape_ldap_string(talloc_tos(),
2698 *memberuid);
2699 if (escape_memberuid == NULL) {
2700 ret = NT_STATUS_NO_MEMORY;
2701 goto done;
2702 }
2703
2704 filter = talloc_asprintf_append_buffer(filter, "(uid=%s)", escape_memberuid);
2705 TALLOC_FREE(escape_memberuid);
2706 if (filter == NULL) {
2707 ret = NT_STATUS_NO_MEMORY;
2708 goto done;
2709 }
2710 }
2711
2712 filter = talloc_asprintf_append_buffer(filter, "))");
2713 if (filter == NULL) {
2714 ret = NT_STATUS_NO_MEMORY;
2715 goto done;
2716 }
2717
2718 rc = smbldap_search(conn, lp_ldap_suffix(),
2719 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2720 &result);
2721
2722 if (rc != LDAP_SUCCESS)
2723 goto done;
2724
2725 count = ldap_count_entries(conn->ldap_struct, result);
2726 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2727
2728 talloc_autofree_ldapmsg(mem_ctx, result);
2729
2730 for (entry = ldap_first_entry(conn->ldap_struct, result);
2731 entry != NULL;
2732 entry = ldap_next_entry(conn->ldap_struct, entry))
2733 {
2734 char *sidstr;
2735 DOM_SID sid;
2736 uint32 rid;
2737
2738 sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2739 entry, "sambaSID",
2740 mem_ctx);
2741 if (!sidstr) {
2742 DEBUG(0, ("Severe DB error, %s can't miss the sambaSID"
2743 "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2744 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2745 goto done;
2746 }
2747
2748 if (!string_to_sid(&sid, sidstr))
2749 goto done;
2750
2751 if (!sid_check_is_in_our_domain(&sid)) {
2752 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2753 "in our domain\n"));
2754 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2755 goto done;
2756 }
2757
2758 sid_peek_rid(&sid, &rid);
2759
2760 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2761 p_num_members)) {
2762 ret = NT_STATUS_NO_MEMORY;
2763 goto done;
2764 }
2765 }
2766 }
2767
2768 filter = talloc_asprintf(mem_ctx,
2769 "(&(objectClass=%s)"
2770 "(gidNumber=%s))",
2771 LDAP_OBJ_SAMBASAMACCOUNT,
2772 gidstr);
2773
2774 rc = smbldap_search(conn, lp_ldap_suffix(),
2775 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2776 &result);
2777
2778 if (rc != LDAP_SUCCESS)
2779 goto done;
2780
2781 talloc_autofree_ldapmsg(mem_ctx, result);
2782
2783 for (entry = ldap_first_entry(conn->ldap_struct, result);
2784 entry != NULL;
2785 entry = ldap_next_entry(conn->ldap_struct, entry))
2786 {
2787 uint32 rid;
2788
2789 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2790 entry,
2791 get_global_sam_sid(),
2792 &rid)) {
2793 DEBUG(0, ("Severe DB error, %s can't miss the samba SID" "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2794 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2795 goto done;
2796 }
2797
2798 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2799 p_num_members)) {
2800 ret = NT_STATUS_NO_MEMORY;
2801 goto done;
2802 }
2803 }
2804
2805 ret = NT_STATUS_OK;
2806
2807 done:
2808
2809 if (values)
2810 ldap_value_free(values);
2811
2812 return ret;
2813 }
2814
2815 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2816 TALLOC_CTX *mem_ctx,
2817 struct samu *user,
2818 DOM_SID **pp_sids,
2819 gid_t **pp_gids,
2820 size_t *p_num_groups)
2821 {
2822 struct ldapsam_privates *ldap_state =
2823 (struct ldapsam_privates *)methods->private_data;
2824 struct smbldap_state *conn = ldap_state->smbldap_state;
2825 char *filter;
2826 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2827 char *escape_name;
2828 int rc, count;
2829 LDAPMessage *result = NULL;
2830 LDAPMessage *entry;
2831 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2832 size_t num_sids, num_gids;
2833 char *gidstr;
2834 gid_t primary_gid = -1;
2835
2836 *pp_sids = NULL;
2837 num_sids = 0;
2838
2839 if (pdb_get_username(user) == NULL) {
2840 return NT_STATUS_INVALID_PARAMETER;
2841 }
2842
2843 escape_name = escape_ldap_string(talloc_tos(), pdb_get_username(user));
2844 if (escape_name == NULL)
2845 return NT_STATUS_NO_MEMORY;
2846
2847 /* retrieve the users primary gid */
2848 filter = talloc_asprintf(mem_ctx,
2849 "(&(objectClass=%s)(uid=%s))",
2850 LDAP_OBJ_SAMBASAMACCOUNT,
2851 escape_name);
2852 if (filter == NULL) {
2853 ret = NT_STATUS_NO_MEMORY;
2854 goto done;
2855 }
2856
2857 rc = smbldap_search(conn, lp_ldap_suffix(),
2858 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2859
2860 if (rc != LDAP_SUCCESS)
2861 goto done;
2862
2863 talloc_autofree_ldapmsg(mem_ctx, result);
2864
2865 count = ldap_count_entries(priv2ld(ldap_state), result);
2866
2867 switch (count) {
2868 case 0:
2869 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2870 ret = NT_STATUS_NO_SUCH_USER;
2871 goto done;
2872 case 1:
2873 entry = ldap_first_entry(priv2ld(ldap_state), result);
2874
2875 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2876 if (!gidstr) {
2877 DEBUG (1, ("Unable to find the member's gid!\n"));
2878 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2879 goto done;
2880 }
2881 primary_gid = strtoul(gidstr, NULL, 10);
2882 break;
2883 default:
2884 DEBUG(1, ("found more than one account with the same user name ?!\n"));
2885 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2886 goto done;
2887 }
2888
2889 filter = talloc_asprintf(mem_ctx,
2890 "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%u)))",
2891 LDAP_OBJ_POSIXGROUP, escape_name, (unsigned int)primary_gid);
2892 if (filter == NULL) {
2893 ret = NT_STATUS_NO_MEMORY;
2894 goto done;
2895 }
2896
2897 rc = smbldap_search(conn, lp_ldap_suffix(),
2898 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2899
2900 if (rc != LDAP_SUCCESS)
2901 goto done;
2902
2903 talloc_autofree_ldapmsg(mem_ctx, result);
2904
2905 num_gids = 0;
2906 *pp_gids = NULL;
2907
2908 num_sids = 0;
2909 *pp_sids = NULL;
2910
2911 /* We need to add the primary group as the first gid/sid */
2912
2913 if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
2914 ret = NT_STATUS_NO_MEMORY;
2915 goto done;
2916 }
2917
2918 /* This sid will be replaced later */
2919
2920 ret = add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids,
2921 &num_sids);
2922 if (!NT_STATUS_IS_OK(ret)) {
2923 goto done;
2924 }
2925
2926 for (entry = ldap_first_entry(conn->ldap_struct, result);
2927 entry != NULL;
2928 entry = ldap_next_entry(conn->ldap_struct, entry))
2929 {
2930 fstring str;
2931 DOM_SID sid;
2932 gid_t gid;
2933 char *end;
2934
2935 if (!smbldap_get_single_attribute(conn->ldap_struct,
2936 entry, "sambaSID",
2937 str, sizeof(str)-1))
2938 continue;
2939
2940 if (!string_to_sid(&sid, str))
2941 goto done;
2942
2943 if (!smbldap_get_single_attribute(conn->ldap_struct,
2944 entry, "gidNumber",
2945 str, sizeof(str)-1))
2946 continue;
2947
2948 gid = strtoul(str, &end, 10);
2949
2950 if (PTR_DIFF(end, str) != strlen(str))
2951 goto done;
2952
2953 if (gid == primary_gid) {
2954 sid_copy(&(*pp_sids)[0], &sid);
2955 } else {
2956 if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
2957 &num_gids)) {
2958 ret = NT_STATUS_NO_MEMORY;
2959 goto done;
2960 }
2961 ret = add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
2962 &num_sids);
2963 if (!NT_STATUS_IS_OK(ret)) {
2964 goto done;
2965 }
2966 }
2967 }
2968
2969 if (sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
2970 DEBUG(3, ("primary group of [%s] not found\n",
2971 pdb_get_username(user)));
2972 goto done;
2973 }
2974
2975 *p_num_groups = num_sids;
2976
2977 ret = NT_STATUS_OK;
2978
2979 done:
2980
2981 TALLOC_FREE(escape_name);
2982 return ret;
2983 }
2984
2985 /**********************************************************************
2986 * Augment a posixGroup object with a sambaGroupMapping domgroup
2987 *********************************************************************/
2988
2989 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
2990 struct ldapsam_privates *ldap_state,
2991 GROUP_MAP *map)
2992 {
2993 const char *filter, *dn;
2994 LDAPMessage *msg, *entry;
2995 LDAPMod **mods;
2996 int rc;
2997
2998 filter = talloc_asprintf(mem_ctx,
2999 "(&(objectClass=%s)(gidNumber=%u))",
3000 LDAP_OBJ_POSIXGROUP, (unsigned int)map->gid);
3001 if (filter == NULL) {
3002 return NT_STATUS_NO_MEMORY;
3003 }
3004
3005 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3006 get_attr_list(mem_ctx, groupmap_attr_list),
3007 &msg);
3008 talloc_autofree_ldapmsg(mem_ctx, msg);
3009
3010 if ((rc != LDAP_SUCCESS) ||
3011 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3012 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3013 return NT_STATUS_NO_SUCH_GROUP;
3014 }
3015
3016 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3017 if (dn == NULL) {
3018 return NT_STATUS_NO_MEMORY;
3019 }
3020
3021 mods = NULL;
3022 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
3023 LDAP_OBJ_GROUPMAP);
3024 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
3025 sid_string_talloc(mem_ctx, &map->sid));
3026 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
3027 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3028 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3029 map->nt_name);
3030 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3031 map->comment);
3032 talloc_autofree_ldapmod(mem_ctx, mods);
3033
3034 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3035 if (rc != LDAP_SUCCESS) {
3036 return NT_STATUS_ACCESS_DENIED;
3037 }
3038
3039 return NT_STATUS_OK;
3040 }
3041
3042 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
3043 GROUP_MAP *map)
3044 {
3045 struct ldapsam_privates *ldap_state =
3046 (struct ldapsam_privates *)methods->private_data;
3047 LDAPMessage *msg = NULL;
3048 LDAPMod **mods = NULL;
3049 const char *attrs[] = { NULL };
3050 char *filter;
3051
3052 char *dn;
3053 TALLOC_CTX *mem_ctx;
3054 NTSTATUS result;
3055
3056 DOM_SID sid;
3057
3058 int rc;
3059
3060 mem_ctx = talloc_new(NULL);
3061 if (mem_ctx == NULL) {
3062 DEBUG(0, ("talloc_new failed\n"));
3063 return NT_STATUS_NO_MEMORY;
3064 }
3065
3066 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
3067 sid_string_talloc(mem_ctx, &map->sid));
3068 if (filter == NULL) {
3069 result = NT_STATUS_NO_MEMORY;
3070 goto done;
3071 }
3072
3073 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3074 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
3075 talloc_autofree_ldapmsg(mem_ctx, msg);
3076
3077 if ((rc == LDAP_SUCCESS) &&
3078 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
3079
3080 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
3081 "group mapping entry\n", sid_string_dbg(&map->sid)));
3082 result = NT_STATUS_GROUP_EXISTS;
3083 goto done;
3084 }
3085
3086 switch (map->sid_name_use) {
3087
3088 case SID_NAME_DOM_GRP:
3089 /* To map a domain group we need to have a posix group
3090 to attach to. */
3091 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
3092 goto done;
3093 break;
3094
3095 case SID_NAME_ALIAS:
3096 if (!sid_check_is_in_our_domain(&map->sid)
3097 && !sid_check_is_in_builtin(&map->sid) )
3098 {
3099 DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
3100 sid_string_dbg(&map->sid)));
3101 result = NT_STATUS_INVALID_PARAMETER;
3102 goto done;
3103 }
3104 break;
3105
3106 default:
3107 DEBUG(3, ("Got invalid use '%s' for mapping\n",
3108 sid_type_lookup(map->sid_name_use)));
3109 result = NT_STATUS_INVALID_PARAMETER;
3110 goto done;
3111 }
3112
3113 /* Domain groups have been mapped in a separate routine, we have to
3114 * create an alias now */
3115
3116 if (map->gid == -1) {
3117 DEBUG(10, ("Refusing to map gid==-1\n"));
3118 result = NT_STATUS_INVALID_PARAMETER;
3119 goto done;
3120 }
3121
3122 if (pdb_gid_to_sid(map->gid, &sid)) {
3123 DEBUG(3, ("Gid %u is already mapped to SID %s, refusing to "
3124 "add\n", (unsigned int)map->gid, sid_string_dbg(&sid)));
3125 result = NT_STATUS_GROUP_EXISTS;
3126 goto done;
3127 }
3128
3129 /* Ok, enough checks done. It's still racy to go ahead now, but that's
3130 * the best we can get out of LDAP. */
3131
3132 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
3133 sid_string_talloc(mem_ctx, &map->sid),
3134 lp_ldap_group_suffix());
3135 if (dn == NULL) {
3136 result = NT_STATUS_NO_MEMORY;
3137 goto done;
3138 }
3139
3140 mods = NULL;
3141
3142 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3143 LDAP_OBJ_SID_ENTRY);
3144 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3145 LDAP_OBJ_GROUPMAP);
3146 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
3147 sid_string_talloc(mem_ctx, &map->sid));
3148 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
3149 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3150 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
3151 map->nt_name);
3152 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
3153 map->comment);
3154 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
3155 talloc_asprintf(mem_ctx, "%u", (unsigned int)map->gid));
3156 talloc_autofree_ldapmod(mem_ctx, mods);
3157
3158 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
3159
3160 result = (rc == LDAP_SUCCESS) ?
3161 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
3162
3163 done:
3164 TALLOC_FREE(mem_ctx);
3165 return result;
3166 }
3167
3168 /**********************************************************************
3169 * Update a group mapping entry. We're quite strict about what can be changed:
3170 * Only the description and displayname may be changed. It simply does not
3171 * make any sense to change the SID, gid or the type in a mapping.
3172 *********************************************************************/
3173
3174 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
3175 GROUP_MAP *map)
3176 {
3177 struct ldapsam_privates *ldap_state =
3178 (struct ldapsam_privates *)methods->private_data;
3179 int rc;
3180 const char *filter, *dn;
3181 LDAPMessage *msg = NULL;
3182 LDAPMessage *entry = NULL;
3183 LDAPMod **mods = NULL;
3184 TALLOC_CTX *mem_ctx;
3185 NTSTATUS result;
3186
3187 mem_ctx = talloc_new(NULL);
3188 if (mem_ctx == NULL) {
3189 DEBUG(0, ("talloc_new failed\n"));
3190 return NT_STATUS_NO_MEMORY;
3191 }
3192
3193 /* Make 100% sure that sid, gid and type are not changed by looking up
3194 * exactly the values we're given in LDAP. */
3195
3196 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
3197 "(sambaSid=%s)(gidNumber=%u)"
3198 "(sambaGroupType=%d))",
3199 LDAP_OBJ_GROUPMAP,
3200 sid_string_talloc(mem_ctx, &map->sid),
3201 (unsigned int)map->gid, map->sid_name_use);
3202 if (filter == NULL) {
3203 result = NT_STATUS_NO_MEMORY;
3204 goto done;
3205 }
3206
3207 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3208 get_attr_list(mem_ctx, groupmap_attr_list),
3209 &msg);
3210 talloc_autofree_ldapmsg(mem_ctx, msg);
3211
3212 if ((rc != LDAP_SUCCESS) ||
3213 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3214 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3215 result = NT_STATUS_NO_SUCH_GROUP;
3216 goto done;
3217 }
3218
3219 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3220
3221 if (dn == NULL) {
3222 result = NT_STATUS_NO_MEMORY;
3223 goto done;
3224 }
3225
3226 mods = NULL;
3227 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3228 map->nt_name);
3229 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3230 map->comment);
3231 talloc_autofree_ldapmod(mem_ctx, mods);
3232
3233 if (mods == NULL) {
3234 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
3235 "nothing to do\n"));
3236 result = NT_STATUS_OK;
3237 goto done;
3238 }
3239
3240 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3241
3242 if (rc != LDAP_SUCCESS) {
3243 result = NT_STATUS_ACCESS_DENIED;
3244 goto done;
3245 }
3246
3247 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
3248 "group %lu in LDAP\n", (unsigned long)map->gid));
3249
3250 result = NT_STATUS_OK;
3251
3252 done:
3253 TALLOC_FREE(mem_ctx);
3254 return result;
3255 }
3256
3257 /**********************************************************************
3258 *********************************************************************/
3259
3260 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
3261 DOM_SID sid)
3262 {
3263 struct ldapsam_privates *priv =
3264 (struct ldapsam_privates *)methods->private_data;
3265 LDAPMessage *msg, *entry;
3266 int rc;
3267 NTSTATUS result;
3268 TALLOC_CTX *mem_ctx;
3269 char *filter;
3270
3271 mem_ctx = talloc_new(NULL);
3272 if (mem_ctx == NULL) {
3273 DEBUG(0, ("talloc_new failed\n"));
3274 return NT_STATUS_NO_MEMORY;
3275 }
3276
3277 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
3278 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
3279 sid_string_talloc(mem_ctx, &sid));
3280 if (filter == NULL) {
3281 result = NT_STATUS_NO_MEMORY;
3282 goto done;
3283 }
3284 rc = smbldap_search_suffix(priv->smbldap_state, filter,
3285 get_attr_list(mem_ctx, groupmap_attr_list),
3286 &msg);
3287 talloc_autofree_ldapmsg(mem_ctx, msg);
3288
3289 if ((rc != LDAP_SUCCESS) ||
3290 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
3291 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3292 result = NT_STATUS_NO_SUCH_GROUP;
3293 goto done;
3294 }
3295
3296 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3297 get_attr_list(mem_ctx,
3298 groupmap_attr_list_to_delete));
3299
3300 if ((rc == LDAP_NAMING_VIOLATION) ||
3301 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3302 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3303 const char *attrs[] = { "sambaGroupType", "description",
3304 "displayName", "sambaSIDList",
3305 NULL };
3306
3307 /* Second try. Don't delete the sambaSID attribute, this is
3308 for "old" entries that are tacked on a winbind
3309 sambaIdmapEntry. */
3310
3311 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3312 LDAP_OBJ_GROUPMAP, attrs);
3313 }
3314
3315 if ((rc == LDAP_NAMING_VIOLATION) ||
3316 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3317 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3318 const char *attrs[] = { "sambaGroupType", "description",
3319 "displayName", "sambaSIDList",
3320 "gidNumber", NULL };
3321
3322 /* Third try. This is a post-3.0.21 alias (containing only
3323 * sambaSidEntry and sambaGroupMapping classes), we also have
3324 * to delete the gidNumber attribute, only the sambaSidEntry
3325 * remains */
3326
3327 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3328 LDAP_OBJ_GROUPMAP, attrs);
3329 }
3330
3331 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3332
3333 done:
3334 TALLOC_FREE(mem_ctx);
3335 return result;
3336 }
3337
3338 /**********************************************************************
3339 *********************************************************************/
3340
3341 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3342 bool update)
3343 {
3344 struct ldapsam_privates *ldap_state =
3345 (struct ldapsam_privates *)my_methods->private_data;
3346 char *filter = NULL;
3347 int rc;
3348 const char **attr_list;
3349
3350 filter = talloc_asprintf(NULL, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3351 if (!filter) {
3352 return NT_STATUS_NO_MEMORY;
3353 }
3354 attr_list = get_attr_list( NULL, groupmap_attr_list );
3355 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3356 LDAP_SCOPE_SUBTREE, filter,
3357 attr_list, 0, &ldap_state->result);
3358 TALLOC_FREE(attr_list);
3359
3360 if (rc != LDAP_SUCCESS) {
3361 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3362 ldap_err2string(rc)));
3363 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3364 lp_ldap_suffix(), filter));
3365 ldap_msgfree(ldap_state->result);
3366 ldap_state->result = NULL;
3367 TALLOC_FREE(filter);
3368 return NT_STATUS_UNSUCCESSFUL;
3369 }
3370
3371 TALLOC_FREE(filter);
3372
3373 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3374 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3375 ldap_state->result)));
3376
3377 ldap_state->entry =
3378 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3379 ldap_state->result);
3380 ldap_state->index = 0;
3381
3382 return NT_STATUS_OK;
3383 }
3384
3385 /**********************************************************************
3386 *********************************************************************/
3387
3388 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3389 {
3390 ldapsam_endsampwent(my_methods);
3391 }
3392
3393 /**********************************************************************
3394 *********************************************************************/
3395
3396 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3397 GROUP_MAP *map)
3398 {
3399 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3400 struct ldapsam_privates *ldap_state =
3401 (struct ldapsam_privates *)my_methods->private_data;
3402 bool bret = False;
3403
3404 while (!bret) {
3405 if (!ldap_state->entry)
3406 return ret;
3407
3408 ldap_state->index++;
3409 bret = init_group_from_ldap(ldap_state, map,
3410 ldap_state->entry);
3411
3412 ldap_state->entry =
3413 ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3414 ldap_state->entry);
3415 }
3416
3417 return NT_STATUS_OK;
3418 }
3419
3420 /**********************************************************************
3421 *********************************************************************/
3422
3423 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3424 const DOM_SID *domsid, enum lsa_SidType sid_name_use,
3425 GROUP_MAP **pp_rmap,
3426 size_t *p_num_entries,
3427 bool unix_only)
3428 {
3429 GROUP_MAP map;
3430 size_t entries = 0;
3431
3432 *p_num_entries = 0;
3433 *pp_rmap = NULL;
3434
3435 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3436 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3437 "passdb\n"));
3438 return NT_STATUS_ACCESS_DENIED;
3439 }
3440
3441 while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
3442 if (sid_name_use != SID_NAME_UNKNOWN &&
3443 sid_name_use != map.sid_name_use) {
3444 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3445 "not of the requested type\n", map.nt_name));
3446 continue;
3447 }
3448 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
3449 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3450 "non mapped\n", map.nt_name));
3451 continue;
3452 }
3453
3454 (*pp_rmap)=SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, entries+1);
3455 if (!(*pp_rmap)) {
3456 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3457 "enlarge group map!\n"));
3458 return NT_STATUS_UNSUCCESSFUL;
3459 }
3460
3461 (*pp_rmap)[entries] = map;
3462
3463 entries += 1;
3464
3465 }
3466 ldapsam_endsamgrent(methods);
3467
3468 *p_num_entries = entries;
3469
3470 return NT_STATUS_OK;
3471 }
3472
3473 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3474 const DOM_SID *alias,
3475 const DOM_SID *member,
3476 int modop)
3477 {
3478 struct ldapsam_privates *ldap_state =
3479 (struct ldapsam_privates *)methods->private_data;
3480 char *dn = NULL;
3481 LDAPMessage *result = NULL;
3482 LDAPMessage *entry = NULL;
3483 int count;
3484 LDAPMod **mods = NULL;
3485 int rc;
3486 enum lsa_SidType type = SID_NAME_USE_NONE;
3487 fstring tmp;
3488
3489 char *filter = NULL;
3490
3491 if (sid_check_is_in_builtin(alias)) {
3492 type = SID_NAME_ALIAS;
3493 }
3494
3495 if (sid_check_is_in_our_domain(alias)) {
3496 type = SID_NAME_ALIAS;
3497 }
3498
3499 if (type == SID_NAME_USE_NONE) {
3500 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3501 sid_string_dbg(alias)));
3502 return NT_STATUS_NO_SUCH_ALIAS;
3503 }
3504
3505 if (asprintf(&filter,
3506 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3507 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3508 type) < 0) {
3509 return NT_STATUS_NO_MEMORY;
3510 }
3511
3512 if (ldapsam_search_one_group(ldap_state, filter,
3513 &result) != LDAP_SUCCESS) {
3514 SAFE_FREE(filter);
3515 return NT_STATUS_NO_SUCH_ALIAS;
3516 }
3517
3518 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3519 result);
3520
3521 if (count < 1) {
3522 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3523 ldap_msgfree(result);
3524 SAFE_FREE(filter);
3525 return NT_STATUS_NO_SUCH_ALIAS;
3526 }
3527
3528 if (count > 1) {
3529 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3530 "filter %s: count=%d\n", filter, count));
3531 ldap_msgfree(result);
3532 SAFE_FREE(filter);
3533 return NT_STATUS_NO_SUCH_ALIAS;
3534 }
3535
3536 SAFE_FREE(filter);
3537
3538 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3539 result);
3540
3541 if (!entry) {
3542 ldap_msgfree(result);
3543 return NT_STATUS_UNSUCCESSFUL;
3544 }
3545
3546 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
3547 if (!dn) {
3548 ldap_msgfree(result);
3549 return NT_STATUS_UNSUCCESSFUL;
3550 }
3551
3552 smbldap_set_mod(&mods, modop,
3553 get_attr_key2string(groupmap_attr_list,
3554 LDAP_ATTR_SID_LIST),
3555 sid_to_fstring(tmp, member));
3556
3557 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3558
3559 ldap_mods_free(mods, True);
3560 ldap_msgfree(result);
3561 TALLOC_FREE(dn);
3562
3563 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3564 return NT_STATUS_MEMBER_IN_ALIAS;
3565 }
3566
3567 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3568 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3569 }
3570
3571 if (rc != LDAP_SUCCESS) {
3572 return NT_STATUS_UNSUCCESSFUL;
3573 }
3574
3575 return NT_STATUS_OK;
3576 }
3577
3578 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3579 const DOM_SID *alias,
3580 const DOM_SID *member)
3581 {
3582 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3583 }
3584
3585 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3586 const DOM_SID *alias,
3587 const DOM_SID *member)
3588 {
3589 return ldapsam_modify_aliasmem(methods, alias, member,
3590 LDAP_MOD_DELETE);
3591 }
3592
3593 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3594 const DOM_SID *alias,
3595 TALLOC_CTX *mem_ctx,
3596 DOM_SID **pp_members,
3597 size_t *p_num_members)
3598 {
3599 struct ldapsam_privates *ldap_state =
3600 (struct ldapsam_privates *)methods->private_data;
3601 LDAPMessage *result = NULL;
3602 LDAPMessage *entry = NULL;
3603 int count;
3604 char **values = NULL;
3605 int i;
3606 char *filter = NULL;
3607 size_t num_members = 0;
3608 enum lsa_SidType type = SID_NAME_USE_NONE;
3609 fstring tmp;
3610
3611 *pp_members = NULL;
3612 *p_num_members = 0;
3613
3614 if (sid_check_is_in_builtin(alias)) {
3615 type = SID_NAME_ALIAS;
3616 }
3617
3618 if (sid_check_is_in_our_domain(alias)) {
3619 type = SID_NAME_ALIAS;
3620 }
3621
3622 if (type == SID_NAME_USE_NONE) {
3623 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3624 sid_string_dbg(alias)));
3625 return NT_STATUS_NO_SUCH_ALIAS;
3626 }
3627
3628 if (asprintf(&filter,
3629 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3630 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3631 type) < 0) {
3632 return NT_STATUS_NO_MEMORY;
3633 }
3634
3635 if (ldapsam_search_one_group(ldap_state, filter,
3636 &result) != LDAP_SUCCESS) {
3637 SAFE_FREE(filter);
3638 return NT_STATUS_NO_SUCH_ALIAS;
3639 }
3640
3641 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3642 result);
3643
3644 if (count < 1) {
3645 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3646 ldap_msgfree(result);
3647 SAFE_FREE(filter);
3648 return NT_STATUS_NO_SUCH_ALIAS;
3649 }
3650
3651 if (count > 1) {
3652 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3653 "filter %s: count=%d\n", filter, count));
3654 ldap_msgfree(result);
3655 SAFE_FREE(filter);
3656 return NT_STATUS_NO_SUCH_ALIAS;
3657 }
3658
3659 SAFE_FREE(filter);
3660
3661 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3662 result);
3663
3664 if (!entry) {
3665 ldap_msgfree(result);
3666 return NT_STATUS_UNSUCCESSFUL;
3667 }
3668
3669 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3670 entry,
3671 get_attr_key2string(groupmap_attr_list,
3672 LDAP_ATTR_SID_LIST));
3673
3674 if (values == NULL) {
3675 ldap_msgfree(result);
3676 return NT_STATUS_OK;
3677 }
3678
3679 count = ldap_count_values(values);
3680
3681 for (i=0; i<count; i++) {
3682 DOM_SID member;
3683 NTSTATUS status;
3684
3685 if (!string_to_sid(&member, values[i]))
3686 continue;
3687
3688 status = add_sid_to_array(mem_ctx, &member, pp_members,
3689 &num_members);
3690 if (!NT_STATUS_IS_OK(status)) {
3691 ldap_value_free(values);
3692 ldap_msgfree(result);
3693 return status;
3694 }
3695 }
3696
3697 *p_num_members = num_members;
3698 ldap_value_free(values);
3699 ldap_msgfree(result);
3700
3701 return NT_STATUS_OK;
3702 }
3703
3704 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3705 TALLOC_CTX *mem_ctx,
3706 const DOM_SID *domain_sid,
3707 const DOM_SID *members,
3708 size_t num_members,
3709 uint32 **pp_alias_rids,
3710 size_t *p_num_alias_rids)
3711 {
3712 struct ldapsam_privates *ldap_state =
3713 (struct ldapsam_privates *)methods->private_data;
3714 LDAP *ldap_struct;
3715
3716 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3717
3718 LDAPMessage *result = NULL;
3719 LDAPMessage *entry = NULL;
3720 int i;
3721 int rc;
3722 char *filter;
3723 enum lsa_SidType type = SID_NAME_USE_NONE;
3724
3725 *pp_alias_rids = NULL;
3726 *p_num_alias_rids = 0;
3727
3728 if (sid_check_is_builtin(domain_sid)) {
3729 type = SID_NAME_ALIAS;
3730 }
3731
3732 if (sid_check_is_domain(domain_sid)) {
3733 type = SID_NAME_ALIAS;
3734 }
3735
3736 if (type == SID_NAME_USE_NONE) {
3737 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3738 sid_string_dbg(domain_sid)));
3739 return NT_STATUS_UNSUCCESSFUL;
3740 }
3741
3742 if (num_members == 0) {
3743 return NT_STATUS_OK;
3744 }
3745
3746 filter = talloc_asprintf(mem_ctx,
3747 "(&(|(objectclass=%s)(sambaGroupType=%d))(|",
3748 LDAP_OBJ_GROUPMAP, type);
3749
3750 for (i=0; i<num_members; i++)
3751 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3752 filter,
3753 sid_string_talloc(mem_ctx,
3754 &members[i]));
3755
3756 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3757
3758 if (filter == NULL) {
3759 return NT_STATUS_NO_MEMORY;
3760 }
3761
3762 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3763 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3764
3765 if (rc != LDAP_SUCCESS)
3766 return NT_STATUS_UNSUCCESSFUL;
3767
3768 ldap_struct = ldap_state->smbldap_state->ldap_struct;
3769
3770 for (entry = ldap_first_entry(ldap_struct, result);
3771 entry != NULL;
3772 entry = ldap_next_entry(ldap_struct, entry))
3773 {
3774 fstring sid_str;
3775 DOM_SID sid;
3776 uint32 rid;
3777
3778 if (!smbldap_get_single_attribute(ldap_struct, entry,
3779 LDAP_ATTRIBUTE_SID,
3780 sid_str,
3781 sizeof(sid_str)-1))
3782 continue;
3783
3784 if (!string_to_sid(&sid, sid_str))
3785 continue;
3786
3787 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3788 continue;
3789
3790 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3791 p_num_alias_rids)) {
3792 ldap_msgfree(result);
3793 return NT_STATUS_NO_MEMORY;
3794 }
3795 }
3796
3797 ldap_msgfree(result);
3798 return NT_STATUS_OK;
3799 }
3800
3801 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3802 enum pdb_policy_type type,
3803 uint32 value)
3804 {
3805 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3806 int rc;
3807 LDAPMod **mods = NULL;
3808 fstring value_string;
3809 const char *policy_attr = NULL;
3810
3811 struct ldapsam_privates *ldap_state =
3812 (struct ldapsam_privates *)methods->private_data;
3813
3814 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3815
3816 if (!ldap_state->domain_dn) {
3817 return NT_STATUS_INVALID_PARAMETER;
3818 }
3819
3820 policy_attr = get_account_policy_attr(type);
3821 if (policy_attr == NULL) {
3822 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3823 "policy\n"));
3824 return ntstatus;
3825 }
3826
3827 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3828
3829 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3830
3831 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3832 mods);
3833
3834 ldap_mods_free(mods, True);
3835
3836 if (rc != LDAP_SUCCESS) {
3837 return ntstatus;
3838 }
3839
3840 if (!cache_account_policy_set(type, value)) {
3841 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3842 "update local tdb cache\n"));
3843 return ntstatus;
3844 }
3845
3846 return NT_STATUS_OK;
3847 }
3848
3849 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3850 enum pdb_policy_type type,
3851 uint32_t value)
3852 {
3853 return ldapsam_set_account_policy_in_ldap(methods, type,
3854 value);
3855 }
3856
3857 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3858 enum pdb_policy_type type,
3859 uint32 *value)
3860 {
3861 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3862 LDAPMessage *result = NULL;
3863 LDAPMessage *entry = NULL;
3864 int count;
3865 int rc;
3866 char **vals = NULL;
3867 const char *policy_attr = NULL;
3868
3869 struct ldapsam_privates *ldap_state =
3870 (struct ldapsam_privates *)methods->private_data;
3871
3872 const char *attrs[2];
3873
3874 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3875
3876 if (!ldap_state->domain_dn) {
3877 return NT_STATUS_INVALID_PARAMETER;
3878 }
3879
3880 policy_attr = get_account_policy_attr(type);
3881 if (!policy_attr) {
3882 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3883 "policy index: %d\n", type));
3884 return ntstatus;
3885 }
3886
3887 attrs[0] = policy_attr;
3888 attrs[1] = NULL;
3889
3890 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3891 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0,
3892 &result);
3893
3894 if (rc != LDAP_SUCCESS) {
3895 return ntstatus;
3896 }
3897
3898 count = ldap_count_entries(priv2ld(ldap_state), result);
3899 if (count < 1) {
3900 goto out;
3901 }
3902
3903 entry = ldap_first_entry(priv2ld(ldap_state), result);
3904 if (entry == NULL) {
3905 goto out;
3906 }
3907
3908 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
3909 if (vals == NULL) {
3910 goto out;
3911 }
3912
3913 *value = (uint32)atol(vals[0]);
3914
3915 ntstatus = NT_STATUS_OK;
3916
3917 out:
3918 if (vals)
3919 ldap_value_free(vals);
3920 ldap_msgfree(result);
3921
3922 return ntstatus;
3923 }
3924
3925 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
3926
3927 - if user hasn't decided to use account policies inside LDAP just reuse the
3928 old tdb values
3929
3930 - if there is a valid cache entry, return that
3931 - if there is an LDAP entry, update cache and return
3932 - otherwise set to default, update cache and return
3933
3934 Guenther
3935 */
3936 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
3937 enum pdb_policy_type type,
3938 uint32_t *value)
3939 {
3940 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3941
3942 if (cache_account_policy_get(type, value)) {
3943 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
3944 "cache\n"));
3945 return NT_STATUS_OK;
3946 }
3947
3948 ntstatus = ldapsam_get_account_policy_from_ldap(methods, type,
3949 value);
3950 if (NT_STATUS_IS_OK(ntstatus)) {
3951 goto update_cache;
3952 }
3953
3954 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
3955 "ldap\n"));
3956
3957 #if 0
3958 /* should we automagically migrate old tdb value here ? */
3959 if (account_policy_get(type, value))
3960 goto update_ldap;
3961
3962 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
3963 "default\n", type));
3964 #endif
3965
3966 if (!account_policy_get_default(type, value)) {
3967 return ntstatus;
3968 }
3969
3970 /* update_ldap: */
3971
3972 ntstatus = ldapsam_set_account_policy(methods, type, *value);
3973 if (!NT_STATUS_IS_OK(ntstatus)) {
3974 return ntstatus;
3975 }
3976
3977 update_cache:
3978
3979 if (!cache_account_policy_set(type, *value)) {
3980 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
3981 "tdb as a cache\n"));
3982 return NT_STATUS_UNSUCCESSFUL;
3983 }
3984
3985 return NT_STATUS_OK;
3986 }
3987
3988 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
3989 const DOM_SID *domain_sid,
3990 int num_rids,
3991 uint32 *rids,
3992 const char **names,
3993 enum lsa_SidType *attrs)
3994 {
3995 struct ldapsam_privates *ldap_state =
3996 (struct ldapsam_privates *)methods->private_data;
3997 LDAPMessage *msg = NULL;
3998 LDAPMessage *entry;
3999 char *allsids = NULL;
4000 int i, rc, num_mapped;
4001 NTSTATUS result = NT_STATUS_NO_MEMORY;
4002 TALLOC_CTX *mem_ctx;
4003 LDAP *ld;
4004 bool is_builtin;
4005
4006 mem_ctx = talloc_new(NULL);
4007 if (mem_ctx == NULL) {
4008 DEBUG(0, ("talloc_new failed\n"));
4009 goto done;
4010 }
4011
4012 if (!sid_check_is_builtin(domain_sid) &&
4013 !sid_check_is_domain(domain_sid)) {
4014 result = NT_STATUS_INVALID_PARAMETER;
4015 goto done;
4016 }
4017
4018 if (num_rids == 0) {
4019 result = NT_STATUS_NONE_MAPPED;
4020 goto done;
4021 }
4022
4023 for (i=0; i<num_rids; i++)
4024 attrs[i] = SID_NAME_UNKNOWN;
4025
4026 allsids = talloc_strdup(mem_ctx, "");
4027 if (allsids == NULL) {
4028 goto done;
4029 }
4030
4031 for (i=0; i<num_rids; i++) {
4032 DOM_SID sid;
4033 sid_compose(&sid, domain_sid, rids[i]);
4034 allsids = talloc_asprintf_append_buffer(
4035 allsids, "(sambaSid=%s)",
4036 sid_string_talloc(mem_ctx, &sid));
4037 if (allsids == NULL) {
4038 goto done;
4039 }
4040 }
4041
4042 /* First look for users */
4043
4044 {
4045 char *filter;
4046 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
4047
4048 filter = talloc_asprintf(
4049 mem_ctx, ("(&(objectClass=%s)(|%s))"),
4050 LDAP_OBJ_SAMBASAMACCOUNT, allsids);
4051
4052 if (filter == NULL) {
4053 goto done;
4054 }
4055
4056 rc = smbldap_search(ldap_state->smbldap_state,
4057 lp_ldap_user_suffix(),
4058 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4059 &msg);
4060 talloc_autofree_ldapmsg(mem_ctx, msg);
4061 }
4062
4063 if (rc != LDAP_SUCCESS)
4064 goto done;
4065
4066 ld = ldap_state->smbldap_state->ldap_struct;
4067 num_mapped = 0;
4068
4069 for (entry = ldap_first_entry(ld, msg);
4070 entry != NULL;
4071 entry = ldap_next_entry(ld, entry)) {
4072 uint32 rid;
4073 int rid_index;
4074 const char *name;
4075
4076 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4077 &rid)) {
4078 DEBUG(2, ("Could not find sid from ldap entry\n"));
4079 continue;
4080 }
4081
4082 name = smbldap_talloc_single_attribute(ld, entry, "uid",
4083 names);
4084 if (name == NULL) {
4085 DEBUG(2, ("Could not retrieve uid attribute\n"));
4086 continue;
4087 }
4088
4089 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4090 if (rid == rids[rid_index])
4091 break;
4092 }
4093
4094 if (rid_index == num_rids) {
4095 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4096 continue;
4097 }
4098
4099 attrs[rid_index] = SID_NAME_USER;
4100 names[rid_index] = name;
4101 num_mapped += 1;
4102 }
4103
4104 if (num_mapped == num_rids) {
4105 /* No need to look for groups anymore -- we're done */
4106 result = NT_STATUS_OK;
4107 goto done;
4108 }
4109
4110 /* Same game for groups */
4111
4112 {
4113 char *filter;
4114 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
4115 "sambaGroupType", NULL };
4116
4117 filter = talloc_asprintf(
4118 mem_ctx, "(&(objectClass=%s)(|%s))",
4119 LDAP_OBJ_GROUPMAP, allsids);
4120 if (filter == NULL) {
4121 goto done;
4122 }
4123
4124 rc = smbldap_search(ldap_state->smbldap_state,
4125 lp_ldap_suffix(),
4126 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4127 &msg);
4128 talloc_autofree_ldapmsg(mem_ctx, msg);
4129 }
4130
4131 if (rc != LDAP_SUCCESS)
4132 goto done;
4133
4134 /* ldap_struct might have changed due to a reconnect */
4135
4136 ld = ldap_state->smbldap_state->ldap_struct;
4137
4138 /* For consistency checks, we already checked we're only domain or builtin */
4139
4140 is_builtin = sid_check_is_builtin(domain_sid);
4141
4142 for (entry = ldap_first_entry(ld, msg);
4143 entry != NULL;
4144 entry = ldap_next_entry(ld, entry))
4145 {
4146 uint32 rid;
4147 int rid_index;
4148 const char *attr;
4149 enum lsa_SidType type;
4150 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
4151
4152 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
4153 mem_ctx);
4154 if (attr == NULL) {
4155 DEBUG(2, ("Could not extract type from ldap entry %s\n",
4156 dn));
4157 continue;
4158 }
4159
4160 type = (enum lsa_SidType)atol(attr);
4161
4162 /* Consistency checks */
4163 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
4164 (!is_builtin && ((type != SID_NAME_ALIAS) &&
4165 (type != SID_NAME_DOM_GRP)))) {
4166 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
4167 }
4168
4169 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4170 &rid)) {
4171 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
4172 continue;
4173 }
4174
4175 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
4176
4177 if (attr == NULL) {
4178 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
4179 dn));
4180 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
4181 }
4182
4183 if (attr == NULL) {
4184 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
4185 dn));
4186 continue;
4187 }
4188
4189 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4190 if (rid == rids[rid_index])
4191 break;
4192 }
4193
4194 if (rid_index == num_rids) {
4195 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4196 continue;
4197 }
4198
4199 attrs[rid_index] = type;
4200 names[rid_index] = attr;
4201 num_mapped += 1;
4202 }
4203
4204 result = NT_STATUS_NONE_MAPPED;
4205
4206 if (num_mapped > 0)
4207 result = (num_mapped == num_rids) ?
4208 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
4209 done:
4210 TALLOC_FREE(mem_ctx);
4211 return result;
4212 }
4213
4214 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
4215 {
4216 char *filter = NULL;
4217 char *escaped = NULL;
4218 char *result = NULL;
4219
4220 if (asprintf(&filter, "(&%s(objectclass=%s))",
4221 "(uid=%u)", LDAP_OBJ_SAMBASAMACCOUNT) < 0) {
4222 goto done;
4223 }
4224
4225 escaped = escape_ldap_string(talloc_tos(), username);
4226 if (escaped == NULL) goto done;
4227
4228 result = talloc_string_sub(mem_ctx, filter, "%u", username);
4229
4230 done:
4231 SAFE_FREE(filter);
4232 TALLOC_FREE(escaped);
4233
4234 return result;
4235 }
4236
4237 const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
4238 {
4239 int i, num = 0;
4240 va_list ap;
4241 const char **result;
4242
4243 va_start(ap, mem_ctx);
4244 while (va_arg(ap, const char *) != NULL)
4245 num += 1;
4246 va_end(ap);
4247
4248 if ((result = TALLOC_ARRAY(mem_ctx, const char *, num+1)) == NULL) {
4249 return NULL;
4250 }
4251
4252 va_start(ap, mem_ctx);
4253 for (i=0; i<num; i++) {
4254 result[i] = talloc_strdup(result, va_arg(ap, const char*));
4255 if (result[i] == NULL) {
4256 talloc_free(result);
4257 va_end(ap);
4258 return NULL;
4259 }
4260 }
4261 va_end(ap);
4262
4263 result[num] = NULL;
4264 return result;
4265 }
4266
4267 struct ldap_search_state {
4268 struct smbldap_state *connection;
4269
4270 uint32 acct_flags;
4271 uint16 group_type;
4272
4273 const char *base;
4274 int scope;
4275 const char *filter;
4276 const char **attrs;
4277 int attrsonly;
4278 void *pagedresults_cookie;
4279
4280 LDAPMessage *entries, *current_entry;
4281 bool (*ldap2displayentry)(struct ldap_search_state *state,
4282 TALLOC_CTX *mem_ctx,
4283 LDAP *ld, LDAPMessage *entry,
4284 struct samr_displayentry *result);
4285 };
4286
4287 static bool ldapsam_search_firstpage(struct pdb_search *search)
4288 {
4289 struct ldap_search_state *state =
4290 (struct ldap_search_state *)search->private_data;
4291 LDAP *ld;
4292 int rc = LDAP_OPERATIONS_ERROR;
4293
4294 state->entries = NULL;
4295
4296 if (state->connection->paged_results) {
4297 rc = smbldap_search_paged(state->connection, state->base,
4298 state->scope, state->filter,
4299 state->attrs, state->attrsonly,
4300 lp_ldap_page_size(), &state->entries,
4301 &state->pagedresults_cookie);
4302 }
4303
4304 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
4305
4306 if (state->entries != NULL) {
4307 /* Left over from unsuccessful paged attempt */
4308 ldap_msgfree(state->entries);
4309 state->entries = NULL;
4310 }
4311
4312 rc = smbldap_search(state->connection, state->base,
4313 state->scope, state->filter, state->attrs,
4314 state->attrsonly, &state->entries);
4315
4316 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4317 return False;
4318
4319 /* Ok, the server was lying. It told us it could do paged
4320 * searches when it could not. */
4321 state->connection->paged_results = False;
4322 }
4323
4324 ld = state->connection->ldap_struct;
4325 if ( ld == NULL) {
4326 DEBUG(5, ("Don't have an LDAP connection right after a "
4327 "search\n"));
4328 return False;
4329 }
4330 state->current_entry = ldap_first_entry(ld, state->entries);
4331
4332 if (state->current_entry == NULL) {
4333 ldap_msgfree(state->entries);
4334 state->entries = NULL;
4335 }
4336
4337 return True;
4338 }
4339
4340 static bool ldapsam_search_nextpage(struct pdb_search *search)
4341 {
4342 struct ldap_search_state *state =
4343 (struct ldap_search_state *)search->private_data;
4344 int rc;
4345
4346 if (!state->connection->paged_results) {
4347 /* There is no next page when there are no paged results */
4348 return False;
4349 }
4350
4351 rc = smbldap_search_paged(state->connection, state->base,
4352 state->scope, state->filter, state->attrs,
4353 state->attrsonly, lp_ldap_page_size(),
4354 &state->entries,
4355 &state->pagedresults_cookie);
4356
4357 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4358 return False;
4359
4360 state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4361
4362 if (state->current_entry == NULL) {
4363 ldap_msgfree(state->entries);
4364 state->entries = NULL;
4365 }
4366
4367 return True;
4368 }
4369
4370 static bool ldapsam_search_next_entry(struct pdb_search *search,
4371 struct samr_displayentry *entry)
4372 {
4373 struct ldap_search_state *state =
4374 (struct ldap_search_state *)search->private_data;
4375 bool result;
4376
4377 retry:
4378 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4379 return False;
4380
4381 if ((state->entries == NULL) &&
4382 !ldapsam_search_nextpage(search))
4383 return False;
4384
4385 result = state->ldap2displayentry(state, search,
4386 state->connection->ldap_struct,
4387 state->current_entry, entry);
4388
4389 if (!result) {
4390 char *dn;
4391 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4392 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4393 if (dn != NULL) ldap_memfree(dn);
4394 }
4395
4396 state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4397
4398 if (state->current_entry == NULL) {
4399 ldap_msgfree(state->entries);
4400 state->entries = NULL;
4401 }
4402
4403 if (!result) goto retry;
4404
4405 return True;
4406 }
4407
4408 static void ldapsam_search_end(struct pdb_search *search)
4409 {
4410 struct ldap_search_state *state =
4411 (struct ldap_search_state *)search->private_data;
4412 int rc;
4413
4414 if (state->pagedresults_cookie == NULL)
4415 return;
4416
4417 if (state->entries != NULL)
4418 ldap_msgfree(state->entries);
4419
4420 state->entries = NULL;
4421 state->current_entry = NULL;
4422
4423 if (!state->connection->paged_results)
4424 return;
4425
4426 /* Tell the LDAP server we're not interested in the rest anymore. */
4427
4428 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4429 state->filter, state->attrs,
4430 state->attrsonly, 0, &state->entries,
4431 &state->pagedresults_cookie);
4432
4433 if (rc != LDAP_SUCCESS)
4434 DEBUG(5, ("Could not end search properly\n"));
4435
4436 return;
4437 }
4438
4439 static bool ldapuser2displayentry(struct ldap_search_state *state,
4440 TALLOC_CTX *mem_ctx,
4441 LDAP *ld, LDAPMessage *entry,
4442 struct samr_displayentry *result)
4443 {
4444 char **vals;
4445 size_t converted_size;
4446 DOM_SID sid;
4447 uint32 acct_flags;
4448
4449 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4450 if ((vals == NULL) || (vals[0] == NULL)) {
4451 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4452 return False;
4453 }
4454 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4455 ldap_value_free(vals);
4456
4457 if ((state->acct_flags != 0) &&
4458 ((state->acct_flags & acct_flags) == 0))
4459 return False;
4460
4461 result->acct_flags = acct_flags;
4462 result->account_name = "";
4463 result->fullname = "";
4464 result->description = "";
4465
4466 vals = ldap_get_values(ld, entry, "uid");
4467 if ((vals == NULL) || (vals[0] == NULL)) {
4468 DEBUG(5, ("\"uid\" not found\n"));
4469 return False;
4470 }
4471 if (!pull_utf8_talloc(mem_ctx,
4472 CONST_DISCARD(char **, &result->account_name),
4473 vals[0], &converted_size))
4474 {
4475 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4476 strerror(errno)));
4477 }
4478
4479 ldap_value_free(vals);
4480
4481 vals = ldap_get_values(ld, entry, "displayName");
4482 if ((vals == NULL) || (vals[0] == NULL))
4483 DEBUG(8, ("\"displayName\" not found\n"));
4484 else if (!pull_utf8_talloc(mem_ctx,
4485 CONST_DISCARD(char **, &result->fullname),
4486 vals[0], &converted_size))
4487 {
4488 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4489 strerror(errno)));
4490 }
4491
4492 ldap_value_free(vals);
4493
4494 vals = ldap_get_values(ld, entry, "description");
4495 if ((vals == NULL) || (vals[0] == NULL))
4496 DEBUG(8, ("\"description\" not found\n"));
4497 else if (!pull_utf8_talloc(mem_ctx,
4498 CONST_DISCARD(char **, &result->description),
4499 vals[0], &converted_size))
4500 {
4501 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4502 strerror(errno)));
4503 }
4504
4505 ldap_value_free(vals);
4506
4507 if ((result->account_name == NULL) ||
4508 (result->fullname == NULL) ||
4509 (result->description == NULL)) {
4510 DEBUG(0, ("talloc failed\n"));
4511 return False;
4512 }
4513
4514 vals = ldap_get_values(ld, entry, "sambaSid");
4515 if ((vals == NULL) || (vals[0] == NULL)) {
4516 DEBUG(0, ("\"objectSid\" not found\n"));
4517 return False;
4518 }
4519
4520 if (!string_to_sid(&sid, vals[0])) {
4521 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4522 ldap_value_free(vals);
4523 return False;
4524 }
4525 ldap_value_free(vals);
4526
4527 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4528 DEBUG(0, ("sid %s does not belong to our domain\n",
4529 sid_string_dbg(&sid)));
4530 return False;
4531 }
4532
4533 return True;
4534 }
4535
4536
4537 static bool ldapsam_search_users(struct pdb_methods *methods,
4538 struct pdb_search *search,
4539 uint32 acct_flags)
4540 {
4541 struct ldapsam_privates *ldap_state =
4542 (struct ldapsam_privates *)methods->private_data;
4543 struct ldap_search_state *state;
4544
4545 state = talloc(search, struct ldap_search_state);
4546 if (state == NULL) {
4547 DEBUG(0, ("talloc failed\n"));
4548 return False;
4549 }
4550
4551 state->connection = ldap_state->smbldap_state;
4552
4553 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4554 state->base = lp_ldap_user_suffix();
4555 else if ((acct_flags != 0) &&
4556 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4557 state->base = lp_ldap_machine_suffix();
4558 else
4559 state->base = lp_ldap_suffix();
4560
4561 state->acct_flags = acct_flags;
4562 state->base = talloc_strdup(search, state->base);
4563 state->scope = LDAP_SCOPE_SUBTREE;
4564 state->filter = get_ldap_filter(search, "*");
4565 state->attrs = talloc_attrs(search, "uid", "sambaSid",
4566 "displayName", "description",
4567 "sambaAcctFlags", NULL);
4568 state->attrsonly = 0;
4569 state->pagedresults_cookie = NULL;
4570 state->entries = NULL;
4571 state->ldap2displayentry = ldapuser2displayentry;
4572
4573 if ((state->filter == NULL) || (state->attrs == NULL)) {
4574 DEBUG(0, ("talloc failed\n"));
4575 return False;
4576 }
4577
4578 search->private_data = state;
4579 search->next_entry = ldapsam_search_next_entry;
4580 search->search_end = ldapsam_search_end;
4581
4582 return ldapsam_search_firstpage(search);
4583 }
4584
4585 static bool ldapgroup2displayentry(struct ldap_search_state *state,
4586 TALLOC_CTX *mem_ctx,
4587 LDAP *ld, LDAPMessage *entry,
4588 struct samr_displayentry *result)
4589 {
4590 char **vals;
4591 size_t converted_size;
4592 DOM_SID sid;
4593 uint16 group_type;
4594
4595 result->account_name = "";
4596 result->fullname = "";
4597 result->description = "";
4598
4599
4600 vals = ldap_get_values(ld, entry, "sambaGroupType");
4601 if ((vals == NULL) || (vals[0] == NULL)) {
4602 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4603 if (vals != NULL) {
4604 ldap_value_free(vals);
4605 }
4606 return False;
4607 }
4608
4609 group_type = atoi(vals[0]);
4610
4611 if ((state->group_type != 0) &&
4612 ((state->group_type != group_type))) {
4613 ldap_value_free(vals);
4614 return False;
4615 }
4616
4617 ldap_value_free(vals);
4618
4619 /* display name is the NT group name */
4620
4621 vals = ldap_get_values(ld, entry, "displayName");
4622 if ((vals == NULL) || (vals[0] == NULL)) {
4623 DEBUG(8, ("\"displayName\" not found\n"));
4624
4625 /* fallback to the 'cn' attribute */
4626 vals = ldap_get_values(ld, entry, "cn");
4627 if ((vals == NULL) || (vals[0] == NULL)) {
4628 DEBUG(5, ("\"cn\" not found\n"));
4629 return False;
4630 }
4631 if (!pull_utf8_talloc(mem_ctx,
4632 CONST_DISCARD(char **,
4633 &result->account_name),
4634 vals[0], &converted_size))
4635 {
4636 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc "
4637 "failed: %s", strerror(errno)));
4638 }
4639 }
4640 else if (!pull_utf8_talloc(mem_ctx,
4641 CONST_DISCARD(char **,
4642 &result->account_name),
4643 vals[0], &converted_size))
4644 {
4645 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4646 strerror(errno)));
4647 }
4648
4649 ldap_value_free(vals);
4650
4651 vals = ldap_get_values(ld, entry, "description");
4652 if ((vals == NULL) || (vals[0] == NULL))
4653 DEBUG(8, ("\"description\" not found\n"));
4654 else if (!pull_utf8_talloc(mem_ctx,
4655 CONST_DISCARD(char **, &result->description),
4656 vals[0], &converted_size))
4657 {
4658 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4659 strerror(errno)));
4660 }
4661 ldap_value_free(vals);
4662
4663 if ((result->account_name == NULL) ||
4664 (result->fullname == NULL) ||
4665 (result->description == NULL)) {
4666 DEBUG(0, ("talloc failed\n"));
4667 return False;
4668 }
4669
4670 vals = ldap_get_values(ld, entry, "sambaSid");
4671 if ((vals == NULL) || (vals[0] == NULL)) {
4672 DEBUG(0, ("\"objectSid\" not found\n"));
4673 if (vals != NULL) {
4674 ldap_value_free(vals);
4675 }
4676 return False;
4677 }
4678
4679 if (!string_to_sid(&sid, vals[0])) {
4680 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4681 return False;
4682 }
4683
4684 ldap_value_free(vals);
4685
4686 switch (group_type) {
4687 case SID_NAME_DOM_GRP:
4688 case SID_NAME_ALIAS:
4689
4690 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4691 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4692 {
4693 DEBUG(0, ("%s is not in our domain\n",
4694 sid_string_dbg(&sid)));
4695 return False;
4696 }
4697 break;
4698
4699 default:
4700 DEBUG(0,("unkown group type: %d\n", group_type));
4701 return False;
4702 }
4703
4704 result->acct_flags = 0;
4705
4706 return True;
4707 }
4708
4709 static bool ldapsam_search_grouptype(struct pdb_methods *methods,
4710 struct pdb_search *search,
4711 const DOM_SID *sid,
4712 enum lsa_SidType type)
4713 {
4714 struct ldapsam_privates *ldap_state =
4715 (struct ldapsam_privates *)methods->private_data;
4716 struct ldap_search_state *state;
4717 fstring tmp;
4718
4719 state = talloc(search, struct ldap_search_state);
4720 if (state == NULL) {
4721 DEBUG(0, ("talloc failed\n"));
4722 return False;
4723 }
4724
4725 state->connection = ldap_state->smbldap_state;
4726
4727 state->base = talloc_strdup(search, lp_ldap_suffix());
4728 state->connection = ldap_state->smbldap_state;
4729 state->scope = LDAP_SCOPE_SUBTREE;
4730 state->filter = talloc_asprintf(search, "(&(objectclass=%s)"
4731 "(sambaGroupType=%d)(sambaSID=%s*))",
4732 LDAP_OBJ_GROUPMAP,
4733 type, sid_to_fstring(tmp, sid));
4734 state->attrs = talloc_attrs(search, "cn", "sambaSid",
4735 "displayName", "description",
4736 "sambaGroupType", NULL);
4737 state->attrsonly = 0;
4738 state->pagedresults_cookie = NULL;
4739 state->entries = NULL;
4740 state->group_type = type;
4741 state->ldap2displayentry = ldapgroup2displayentry;
4742
4743 if ((state->filter == NULL) || (state->attrs == NULL)) {
4744 DEBUG(0, ("talloc failed\n"));
4745 return False;
4746 }
4747
4748 search->private_data = state;
4749 search->next_entry = ldapsam_search_next_entry;
4750 search->search_end = ldapsam_search_end;
4751
4752 return ldapsam_search_firstpage(search);
4753 }
4754
4755 static bool ldapsam_search_groups(struct pdb_methods *methods,
4756 struct pdb_search *search)
4757 {
4758 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4759 }
4760
4761 static bool ldapsam_search_aliases(struct pdb_methods *methods,
4762 struct pdb_search *search,
4763 const DOM_SID *sid)
4764 {
4765 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4766 }
4767
4768 static uint32_t ldapsam_capabilities(struct pdb_methods *methods)
4769 {
4770 return PDB_CAP_STORE_RIDS;
4771 }
4772
4773 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4774 uint32 *rid)
4775 {
4776 struct smbldap_state *smbldap_state = priv->smbldap_state;
4777
4778 LDAPMessage *result = NULL;
4779 LDAPMessage *entry = NULL;
4780 LDAPMod **mods = NULL;
4781 NTSTATUS status;
4782 char *value;
4783 int rc;
4784 uint32 nextRid = 0;
4785 const char *dn;
4786
4787 TALLOC_CTX *mem_ctx;
4788
4789 mem_ctx = talloc_new(NULL);
4790 if (mem_ctx == NULL) {
4791 DEBUG(0, ("talloc_new failed\n"));
4792 return NT_STATUS_NO_MEMORY;
4793 }
4794
4795 status = smbldap_search_domain_info(smbldap_state, &result,
4796 get_global_sam_name(), False);
4797 if (!NT_STATUS_IS_OK(status)) {
4798 DEBUG(3, ("Could not get domain info: %s\n",
4799 nt_errstr(status)));
4800 goto done;
4801 }
4802
4803 talloc_autofree_ldapmsg(mem_ctx, result);
4804
4805 entry = ldap_first_entry(priv2ld(priv), result);
4806 if (entry == NULL) {
4807 DEBUG(0, ("Could not get domain info entry\n"));
4808 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4809 goto done;
4810 }
4811
4812 /* Find the largest of the three attributes "sambaNextRid",
4813 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4814 concept of differentiating between user and group rids, and will
4815 use only "sambaNextRid" in the future. But for compatibility
4816 reasons I look if others have chosen different strategies -- VL */
4817
4818 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4819 "sambaNextRid", mem_ctx);
4820 if (value != NULL) {
4821 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4822 nextRid = MAX(nextRid, tmp);
4823 }
4824
4825 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4826 "sambaNextUserRid", mem_ctx);
4827 if (value != NULL) {
4828 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4829 nextRid = MAX(nextRid, tmp);
4830 }
4831
4832 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4833 "sambaNextGroupRid", mem_ctx);
4834 if (value != NULL) {
4835 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4836 nextRid = MAX(nextRid, tmp);
4837 }
4838
4839 if (nextRid == 0) {
4840 nextRid = BASE_RID-1;
4841 }
4842
4843 nextRid += 1;
4844
4845 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4846 talloc_asprintf(mem_ctx, "%d", nextRid));
4847 talloc_autofree_ldapmod(mem_ctx, mods);
4848
4849 if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4850 status = NT_STATUS_NO_MEMORY;
4851 goto done;
4852 }
4853
4854 rc = smbldap_modify(smbldap_state, dn, mods);
4855
4856 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4857 * please retry" */
4858
4859 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4860
4861 done:
4862 if (NT_STATUS_IS_OK(status)) {
4863 *rid = nextRid;
4864 }
4865
4866 TALLOC_FREE(mem_ctx);
4867 return status;
4868 }
4869
4870 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32 *rid)
4871 {
4872 int i;
4873
4874 for (i=0; i<10; i++) {
4875 NTSTATUS result = ldapsam_get_new_rid(
4876 (struct ldapsam_privates *)methods->private_data, rid);
4877 if (NT_STATUS_IS_OK(result)) {
4878 return result;
4879 }
4880
4881 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4882 return result;
4883 }
4884
4885 /* The ldap update failed (maybe a race condition), retry */
4886 }
4887
4888 /* Tried 10 times, fail. */
4889 return NT_STATUS_ACCESS_DENIED;
4890 }
4891
4892 static bool ldapsam_new_rid(struct pdb_methods *methods, uint32 *rid)
4893 {
4894 NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
4895 return NT_STATUS_IS_OK(result) ? True : False;
4896 }
4897
4898 static bool ldapsam_sid_to_id(struct pdb_methods *methods,
4899 const DOM_SID *sid,
4900 union unid_t *id, enum lsa_SidType *type)
4901 {
4902 struct ldapsam_privates *priv =
4903 (struct ldapsam_privates *)methods->private_data;
4904 char *filter;
4905 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
4906 NULL };
4907 LDAPMessage *result = NULL;
4908 LDAPMessage *entry = NULL;
4909 bool ret = False;
4910 char *value;
4911 int rc;
4912
4913 TALLOC_CTX *mem_ctx;
4914
4915 mem_ctx = talloc_new(NULL);
4916 if (mem_ctx == NULL) {
4917 DEBUG(0, ("talloc_new failed\n"));
4918 return False;
4919 }
4920
4921 filter = talloc_asprintf(mem_ctx,
4922 "(&(sambaSid=%s)"
4923 "(|(objectClass=%s)(objectClass=%s)))",
4924 sid_string_talloc(mem_ctx, sid),
4925 LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
4926 if (filter == NULL) {
4927 DEBUG(5, ("talloc_asprintf failed\n"));
4928 goto done;
4929 }
4930
4931 rc = smbldap_search_suffix(priv->smbldap_state, filter,
4932 attrs, &result);
4933 if (rc != LDAP_SUCCESS) {
4934 goto done;
4935 }
4936 talloc_autofree_ldapmsg(mem_ctx, result);
4937
4938 if (ldap_count_entries(priv2ld(priv), result) != 1) {
4939 DEBUG(10, ("Got %d entries, expected one\n",
4940 ldap_count_entries(priv2ld(priv), result)));
4941 goto done;
4942 }
4943
4944 entry = ldap_first_entry(priv2ld(priv), result);
4945
4946 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4947 "sambaGroupType", mem_ctx);
4948
4949 if (value != NULL) {
4950 const char *gid_str;
4951 /* It's a group */
4952
4953 gid_str = smbldap_talloc_single_attribute(
4954 priv2ld(priv), entry, "gidNumber", mem_ctx);
4955 if (gid_str == NULL) {
4956 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
4957 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
4958 entry)));
4959 goto done;
4960 }
4961
4962 id->gid = strtoul(gid_str, NULL, 10);
4963 *type = (enum lsa_SidType)strtoul(value, NULL, 10);
4964 ret = True;
4965 goto done;
4966 }
4967
4968 /* It must be a user */
4969
4970 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4971 "uidNumber", mem_ctx);
4972 if (value == NULL) {
4973 DEBUG(1, ("Could not find uidNumber in %s\n",
4974 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
4975 goto done;
4976 }
4977
4978 id->uid = strtoul(value, NULL, 10);
4979 *type = SID_NAME_USER;
4980
4981 ret = True;
4982 done:
4983 TALLOC_FREE(mem_ctx);
4984 return ret;
4985 }
4986
4987 /*
4988 * The following functions is called only if
4989 * ldapsam:trusted and ldapsam:editposix are
4990 * set to true
4991 */
4992
4993 /*
4994 * ldapsam_create_user creates a new
4995 * posixAccount and sambaSamAccount object
4996 * in the ldap users subtree
4997 *
4998 * The uid is allocated by winbindd.
4999 */
5000
5001 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
5002 TALLOC_CTX *tmp_ctx, const char *name,
5003 uint32 acb_info, uint32 *rid)
5004 {
5005 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5006 LDAPMessage *entry = NULL;
5007 LDAPMessage *result = NULL;
5008 uint32 num_result;
5009 bool is_machine = False;
5010 bool add_posix = False;
5011 LDAPMod **mods = NULL;
5012 struct samu *user;
5013 char *filter;
5014 char *username;
5015 char *homedir;
5016 char *gidstr;
5017 char *uidstr;
5018 char *shell;
5019 const char *dn = NULL;
5020 DOM_SID group_sid;
5021 DOM_SID user_sid;
5022 gid_t gid = -1;
5023 uid_t uid = -1;
5024 NTSTATUS ret;
5025 int rc;
5026
5027 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
5028 acb_info & ACB_WSTRUST ||
5029 acb_info & ACB_SVRTRUST ||
5030 acb_info & ACB_DOMTRUST) {
5031 is_machine = True;
5032 }
5033
5034 username = escape_ldap_string(talloc_tos(), name);
5035 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
5036 username, LDAP_OBJ_POSIXACCOUNT);
5037 TALLOC_FREE(username);
5038
5039 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5040 if (rc != LDAP_SUCCESS) {
5041 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
5042 return NT_STATUS_ACCESS_DENIED;
5043 }
5044 talloc_autofree_ldapmsg(tmp_ctx, result);
5045
5046 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5047
5048 if (num_result > 1) {
5049 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
5050 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5051 }
5052
5053 if (num_result == 1) {
5054 char *tmp;
5055 /* check if it is just a posix account.
5056 * or if there is a sid attached to this entry
5057 */
5058
5059 entry = ldap_first_entry(priv2ld(ldap_state), result);
5060 if (!entry) {
5061 return NT_STATUS_UNSUCCESSFUL;
5062 }
5063
5064 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5065 if (tmp) {
5066 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
5067 return NT_STATUS_USER_EXISTS;
5068 }
5069
5070 /* it is just a posix account, retrieve the dn for later use */
5071 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5072 if (!dn) {
5073 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
5074 return NT_STATUS_NO_MEMORY;
5075 }
5076 }
5077
5078 if (num_result == 0) {
5079 add_posix = True;
5080 }
5081
5082 /* Create the basic samu structure and generate the mods for the ldap commit */
5083 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5084 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
5085 return ret;
5086 }
5087
5088 sid_compose(&user_sid, get_global_sam_sid(), *rid);
5089
5090 user = samu_new(tmp_ctx);
5091 if (!user) {
5092 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
5093 return NT_STATUS_NO_MEMORY;
5094 }
5095
5096 if (!pdb_set_username(user, name, PDB_SET)) {
5097 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5098 return NT_STATUS_UNSUCCESSFUL;
5099 }
5100 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
5101 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5102 return NT_STATUS_UNSUCCESSFUL;
5103 }
5104 if (is_machine) {
5105 if (acb_info & ACB_NORMAL) {
5106 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
5107 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5108 return NT_STATUS_UNSUCCESSFUL;
5109 }
5110 } else {
5111 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
5112 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5113 return NT_STATUS_UNSUCCESSFUL;
5114 }
5115 }
5116 } else {
5117 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
5118 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5119 return NT_STATUS_UNSUCCESSFUL;
5120 }
5121 }
5122
5123 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
5124 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5125 return NT_STATUS_UNSUCCESSFUL;
5126 }
5127
5128 if (!init_ldap_from_sam(ldap_state, NULL, &mods, user, element_is_set_or_changed)) {
5129 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5130 return NT_STATUS_UNSUCCESSFUL;
5131 }
5132
5133 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
5134 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
5135 }
5136 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
5137
5138 if (add_posix) {
5139 char *escape_name;
5140
5141 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
5142
5143 /* retrieve the Domain Users group gid */
5144 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_GROUP_RID_USERS) ||
5145 !sid_to_gid(&group_sid, &gid)) {
5146 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
5147 return NT_STATUS_INVALID_PRIMARY_GROUP;
5148 }
5149
5150 /* lets allocate a new userid for this user */
5151 if (!winbind_allocate_uid(&uid)) {
5152 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
5153 return NT_STATUS_UNSUCCESSFUL;
5154 }
5155
5156
5157 if (is_machine) {
5158 /* TODO: choose a more appropriate default for machines */
5159 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
5160 shell = talloc_strdup(tmp_ctx, "/bin/false");
5161 } else {
5162 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
5163 shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
5164 }
5165 uidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)uid);
5166 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5167
5168 escape_name = escape_rdn_val_string_alloc(name);
5169 if (!escape_name) {
5170 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5171 return NT_STATUS_NO_MEMORY;
5172 }
5173
5174 if (is_machine) {
5175 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix ());
5176 } else {
5177 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix ());
5178 }
5179
5180 SAFE_FREE(escape_name);
5181
5182 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
5183 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5184 return NT_STATUS_NO_MEMORY;
5185 }
5186
5187 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
5188 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
5189 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5190 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
5191 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5192 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
5193 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
5194 }
5195
5196 talloc_autofree_ldapmod(tmp_ctx, mods);
5197
5198 if (add_posix) {
5199 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5200 } else {
5201 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5202 }
5203
5204 if (rc != LDAP_SUCCESS) {
5205 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
5206 return NT_STATUS_UNSUCCESSFUL;
5207 }
5208
5209 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
5210
5211 flush_pwnam_cache();
5212
5213 return NT_STATUS_OK;
5214 }
5215
5216 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
5217 {
5218 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5219 LDAPMessage *result = NULL;
5220 LDAPMessage *entry = NULL;
5221 int num_result;
5222 const char *dn;
5223 char *filter;
5224 int rc;
5225
5226 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
5227
5228 filter = talloc_asprintf(tmp_ctx,
5229 "(&(uid=%s)"
5230 "(objectClass=%s)"
5231 "(objectClass=%s))",
5232 pdb_get_username(sam_acct),
5233 LDAP_OBJ_POSIXACCOUNT,
5234 LDAP_OBJ_SAMBASAMACCOUNT);
5235 if (filter == NULL) {
5236 return NT_STATUS_NO_MEMORY;
5237 }
5238
5239 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5240 if (rc != LDAP_SUCCESS) {
5241 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
5242 return NT_STATUS_UNSUCCESSFUL;
5243 }
5244 talloc_autofree_ldapmsg(tmp_ctx, result);
5245
5246 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5247
5248 if (num_result == 0) {
5249 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
5250 return NT_STATUS_NO_SUCH_USER;
5251 }
5252
5253 if (num_result > 1) {
5254 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
5255 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5256 }
5257
5258 entry = ldap_first_entry(priv2ld(ldap_state), result);
5259 if (!entry) {
5260 return NT_STATUS_UNSUCCESSFUL;
5261 }
5262
5263 /* it is just a posix account, retrieve the dn for later use */
5264 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5265 if (!dn) {
5266 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
5267 return NT_STATUS_NO_MEMORY;
5268 }
5269
5270 /* try to remove memberships first */
5271 {
5272 NTSTATUS status;
5273 struct dom_sid *sids = NULL;
5274 gid_t *gids = NULL;
5275 size_t num_groups = 0;
5276 int i;
5277 uint32_t user_rid = pdb_get_user_rid(sam_acct);
5278
5279 status = ldapsam_enum_group_memberships(my_methods,
5280 tmp_ctx,
5281 sam_acct,
5282 &sids,
5283 &gids,
5284 &num_groups);
5285 if (!NT_STATUS_IS_OK(status)) {
5286 goto delete_dn;
5287 }
5288
5289 for (i=0; i < num_groups; i++) {
5290
5291 uint32_t group_rid;
5292
5293 sid_peek_rid(&sids[i], &group_rid);
5294
5295 ldapsam_del_groupmem(my_methods,
5296 tmp_ctx,
5297 group_rid,
5298 user_rid);
5299 }
5300 }
5301
5302 delete_dn:
5303
5304 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5305 if (rc != LDAP_SUCCESS) {
5306 return NT_STATUS_UNSUCCESSFUL;
5307 }
5308
5309 flush_pwnam_cache();
5310
5311 return NT_STATUS_OK;
5312 }
5313
5314 /*
5315 * ldapsam_create_group creates a new
5316 * posixGroup and sambaGroupMapping object
5317 * in the ldap groups subtree
5318 *
5319 * The gid is allocated by winbindd.
5320 */
5321
5322 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
5323 TALLOC_CTX *tmp_ctx,
5324 const char *name,
5325 uint32 *rid)
5326 {
5327 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5328 NTSTATUS ret;
5329 LDAPMessage *entry = NULL;
5330 LDAPMessage *result = NULL;
5331 uint32 num_result;
5332 bool is_new_entry = False;
5333 LDAPMod **mods = NULL;
5334 char *filter;
5335 char *groupsidstr;
5336 char *groupname;
5337 char *grouptype;
5338 char *gidstr;
5339 const char *dn = NULL;
5340 DOM_SID group_sid;
5341 gid_t gid = -1;
5342 int rc;
5343
5344 groupname = escape_ldap_string(talloc_tos(), name);
5345 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
5346 groupname, LDAP_OBJ_POSIXGROUP);
5347 TALLOC_FREE(groupname);
5348
5349 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5350 if (rc != LDAP_SUCCESS) {
5351 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
5352 return NT_STATUS_UNSUCCESSFUL;
5353 }
5354 talloc_autofree_ldapmsg(tmp_ctx, result);
5355
5356 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5357
5358 if (num_result > 1) {
5359 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
5360 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5361 }
5362
5363 if (num_result == 1) {
5364 char *tmp;
5365 /* check if it is just a posix group.
5366 * or if there is a sid attached to this entry
5367 */
5368
5369 entry = ldap_first_entry(priv2ld(ldap_state), result);
5370 if (!entry) {
5371 return NT_STATUS_UNSUCCESSFUL;
5372 }
5373
5374 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5375 if (tmp) {
5376 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
5377 return NT_STATUS_GROUP_EXISTS;
5378 }
5379
5380 /* it is just a posix group, retrieve the gid and the dn for later use */
5381 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5382 if (!tmp) {
5383 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
5384 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5385 }
5386
5387 gid = strtoul(tmp, NULL, 10);
5388
5389 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5390 if (!dn) {
5391 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5392 return NT_STATUS_NO_MEMORY;
5393 }
5394 }
5395
5396 if (num_result == 0) {
5397 char *escape_name;
5398
5399 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
5400
5401 is_new_entry = True;
5402
5403 /* lets allocate a new groupid for this group */
5404 if (!winbind_allocate_gid(&gid)) {
5405 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
5406 return NT_STATUS_UNSUCCESSFUL;
5407 }
5408
5409 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5410
5411 escape_name = escape_rdn_val_string_alloc(name);
5412 if (!escape_name) {
5413 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5414 return NT_STATUS_NO_MEMORY;
5415 }
5416
5417 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix());
5418
5419 SAFE_FREE(escape_name);
5420
5421 if (!gidstr || !dn) {
5422 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5423 return NT_STATUS_NO_MEMORY;
5424 }
5425
5426 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5427 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5428 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5429 }
5430
5431 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5432 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5433 return ret;
5434 }
5435
5436 sid_compose(&group_sid, get_global_sam_sid(), *rid);
5437
5438 groupsidstr = talloc_strdup(tmp_ctx, sid_string_talloc(tmp_ctx,
5439 &group_sid));
5440 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5441
5442 if (!groupsidstr || !grouptype) {
5443 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5444 return NT_STATUS_NO_MEMORY;
5445 }
5446
5447 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5448 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5449 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5450 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5451 talloc_autofree_ldapmod(tmp_ctx, mods);
5452
5453 if (is_new_entry) {
5454 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5455 #if 0
5456 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5457 /* This call may fail with rfc2307bis schema */
5458 /* Retry adding a structural class */
5459 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5460 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5461 }
5462 #endif
5463 } else {
5464 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5465 }
5466
5467 if (rc != LDAP_SUCCESS) {
5468 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5469 return NT_STATUS_UNSUCCESSFUL;
5470 }
5471
5472 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5473
5474 return NT_STATUS_OK;
5475 }
5476
5477 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32 rid)
5478 {
5479 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5480 LDAPMessage *result = NULL;
5481 LDAPMessage *entry = NULL;
5482 int num_result;
5483 const char *dn;
5484 char *gidstr;
5485 char *filter;
5486 DOM_SID group_sid;
5487 int rc;
5488
5489 /* get the group sid */
5490 sid_compose(&group_sid, get_global_sam_sid(), rid);
5491
5492 filter = talloc_asprintf(tmp_ctx,
5493 "(&(sambaSID=%s)"
5494 "(objectClass=%s)"
5495 "(objectClass=%s))",
5496 sid_string_talloc(tmp_ctx, &group_sid),
5497 LDAP_OBJ_POSIXGROUP,
5498 LDAP_OBJ_GROUPMAP);
5499 if (filter == NULL) {
5500 return NT_STATUS_NO_MEMORY;
5501 }
5502
5503 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5504 if (rc != LDAP_SUCCESS) {
5505 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5506 return NT_STATUS_UNSUCCESSFUL;
5507 }
5508 talloc_autofree_ldapmsg(tmp_ctx, result);
5509
5510 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5511
5512 if (num_result == 0) {
5513 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5514 return NT_STATUS_NO_SUCH_GROUP;
5515 }
5516
5517 if (num_result > 1) {
5518 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5519 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5520 }
5521
5522 entry = ldap_first_entry(priv2ld(ldap_state), result);
5523 if (!entry) {
5524 return NT_STATUS_UNSUCCESSFUL;
5525 }
5526
5527 /* here it is, retrieve the dn for later use */
5528 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5529 if (!dn) {
5530 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5531 return NT_STATUS_NO_MEMORY;
5532 }
5533
5534 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5535 if (!gidstr) {
5536 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5537 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5538 }
5539
5540 /* check no user have this group marked as primary group */
5541 filter = talloc_asprintf(tmp_ctx,
5542 "(&(gidNumber=%s)"
5543 "(objectClass=%s)"
5544 "(objectClass=%s))",
5545 gidstr,
5546 LDAP_OBJ_POSIXACCOUNT,
5547 LDAP_OBJ_SAMBASAMACCOUNT);
5548
5549 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5550 if (rc != LDAP_SUCCESS) {
5551 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5552 return NT_STATUS_UNSUCCESSFUL;
5553 }
5554 talloc_autofree_ldapmsg(tmp_ctx, result);
5555
5556 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5557
5558 if (num_result != 0) {
5559 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5560 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5561 }
5562
5563 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5564 if (rc != LDAP_SUCCESS) {
5565 return NT_STATUS_UNSUCCESSFUL;
5566 }
5567
5568 return NT_STATUS_OK;
5569 }
5570
5571 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5572 TALLOC_CTX *tmp_ctx,
5573 uint32 group_rid,
5574 uint32 member_rid,
5575 int modop)
5576 {
5577 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5578 LDAPMessage *entry = NULL;
5579 LDAPMessage *result = NULL;
5580 uint32 num_result;
5581 LDAPMod **mods = NULL;
5582 char *filter;
5583 char *uidstr;
5584 const char *dn = NULL;
5585 DOM_SID group_sid;
5586 DOM_SID member_sid;
5587 int rc;
5588
5589 switch (modop) {
5590 case LDAP_MOD_ADD:
5591 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5592 break;
5593 case LDAP_MOD_DELETE:
5594 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5595 break;
5596 default:
5597 return NT_STATUS_UNSUCCESSFUL;
5598 }
5599
5600 /* get member sid */
5601 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5602
5603 /* get the group sid */
5604 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5605
5606 filter = talloc_asprintf(tmp_ctx,
5607 "(&(sambaSID=%s)"
5608 "(objectClass=%s)"
5609 "(objectClass=%s))",
5610 sid_string_talloc(tmp_ctx, &member_sid),
5611 LDAP_OBJ_POSIXACCOUNT,
5612 LDAP_OBJ_SAMBASAMACCOUNT);
5613 if (filter == NULL) {
5614 return NT_STATUS_NO_MEMORY;
5615 }
5616
5617 /* get the member uid */
5618 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5619 if (rc != LDAP_SUCCESS) {
5620 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5621 return NT_STATUS_UNSUCCESSFUL;
5622 }
5623 talloc_autofree_ldapmsg(tmp_ctx, result);
5624
5625 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5626
5627 if (num_result == 0) {
5628 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5629 return NT_STATUS_NO_SUCH_MEMBER;
5630 }
5631
5632 if (num_result > 1) {
5633 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5634 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5635 }
5636
5637 entry = ldap_first_entry(priv2ld(ldap_state), result);
5638 if (!entry) {
5639 return NT_STATUS_UNSUCCESSFUL;
5640 }
5641
5642 if (modop == LDAP_MOD_DELETE) {
5643 /* check if we are trying to remove the member from his primary group */
5644 char *gidstr;
5645 gid_t user_gid, group_gid;
5646
5647 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5648 if (!gidstr) {
5649 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5650 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5651 }
5652
5653 user_gid = strtoul(gidstr, NULL, 10);
5654
5655 if (!sid_to_gid(&group_sid, &group_gid)) {
5656 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5657 return NT_STATUS_UNSUCCESSFUL;
5658 }
5659
5660 if (user_gid == group_gid) {
5661 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from its own primary group!\n"));
5662 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5663 }
5664 }
5665
5666 /* here it is, retrieve the uid for later use */
5667 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5668 if (!uidstr) {
5669 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5670 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5671 }
5672
5673 filter = talloc_asprintf(tmp_ctx,
5674 "(&(sambaSID=%s)"
5675 "(objectClass=%s)"
5676 "(objectClass=%s))",
5677 sid_string_talloc(tmp_ctx, &group_sid),
5678 LDAP_OBJ_POSIXGROUP,
5679 LDAP_OBJ_GROUPMAP);
5680
5681 /* get the group */
5682 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5683 if (rc != LDAP_SUCCESS) {
5684 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5685 return NT_STATUS_UNSUCCESSFUL;
5686 }
5687 talloc_autofree_ldapmsg(tmp_ctx, result);
5688
5689 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5690
5691 if (num_result == 0) {
5692 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5693 return NT_STATUS_NO_SUCH_GROUP;
5694 }
5695
5696 if (num_result > 1) {
5697 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5698 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5699 }
5700
5701 entry = ldap_first_entry(priv2ld(ldap_state), result);
5702 if (!entry) {
5703 return NT_STATUS_UNSUCCESSFUL;
5704 }
5705
5706 /* here it is, retrieve the dn for later use */
5707 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5708 if (!dn) {
5709 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5710 return NT_STATUS_NO_MEMORY;
5711 }
5712
5713 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5714
5715 talloc_autofree_ldapmod(tmp_ctx, mods);
5716
5717 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5718 if (rc != LDAP_SUCCESS) {
5719 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5720 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5721 return NT_STATUS_MEMBER_IN_GROUP;
5722 }
5723 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5724 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5725 return NT_STATUS_MEMBER_NOT_IN_GROUP;
5726 }
5727 return NT_STATUS_UNSUCCESSFUL;
5728 }
5729
5730 return NT_STATUS_OK;
5731 }
5732
5733 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5734 TALLOC_CTX *tmp_ctx,
5735 uint32 group_rid,
5736 uint32 member_rid)
5737 {
5738 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
5739 }
5740 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5741 TALLOC_CTX *tmp_ctx,
5742 uint32 group_rid,
5743 uint32 member_rid)
5744 {
5745 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
5746 }
5747
5748 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
5749 TALLOC_CTX *mem_ctx,
5750 struct samu *sampass)
5751 {
5752 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5753 LDAPMessage *entry = NULL;
5754 LDAPMessage *result = NULL;
5755 uint32 num_result;
5756 LDAPMod **mods = NULL;
5757 char *filter;
5758 char *escape_username;
5759 char *gidstr;
5760 const char *dn = NULL;
5761 gid_t gid;
5762 int rc;
5763
5764 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
5765
5766 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
5767 DEBUG(0,("ldapsam_set_primary_group: failed to retrieve gid from user's group SID!\n"));
5768 return NT_STATUS_UNSUCCESSFUL;
5769 }
5770 gidstr = talloc_asprintf(mem_ctx, "%u", (unsigned int)gid);
5771 if (!gidstr) {
5772 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
5773 return NT_STATUS_NO_MEMORY;
5774 }
5775
5776 escape_username = escape_ldap_string(talloc_tos(),
5777 pdb_get_username(sampass));
5778 if (escape_username== NULL) {
5779 return NT_STATUS_NO_MEMORY;
5780 }
5781
5782 filter = talloc_asprintf(mem_ctx,
5783 "(&(uid=%s)"
5784 "(objectClass=%s)"
5785 "(objectClass=%s))",
5786 escape_username,
5787 LDAP_OBJ_POSIXACCOUNT,
5788 LDAP_OBJ_SAMBASAMACCOUNT);
5789
5790 TALLOC_FREE(escape_username);
5791
5792 if (filter == NULL) {
5793 return NT_STATUS_NO_MEMORY;
5794 }
5795
5796 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5797 if (rc != LDAP_SUCCESS) {
5798 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
5799 return NT_STATUS_UNSUCCESSFUL;
5800 }
5801 talloc_autofree_ldapmsg(mem_ctx, result);
5802
5803 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5804
5805 if (num_result == 0) {
5806 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
5807 return NT_STATUS_NO_SUCH_USER;
5808 }
5809
5810 if (num_result > 1) {
5811 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
5812 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5813 }
5814
5815 entry = ldap_first_entry(priv2ld(ldap_state), result);
5816 if (!entry) {
5817 return NT_STATUS_UNSUCCESSFUL;
5818 }
5819
5820 /* retrieve the dn for later use */
5821 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
5822 if (!dn) {
5823 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
5824 return NT_STATUS_NO_MEMORY;
5825 }
5826
5827 /* remove the old one, and add the new one, this way we do not risk races */
5828 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
5829
5830 if (mods == NULL) {
5831 return NT_STATUS_OK;
5832 }
5833
5834 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5835
5836 if (rc != LDAP_SUCCESS) {
5837 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
5838 pdb_get_username(sampass), gidstr));
5839 return NT_STATUS_UNSUCCESSFUL;
5840 }
5841
5842 flush_pwnam_cache();
5843
5844 return NT_STATUS_OK;
5845 }
5846
5847
5848 /**********************************************************************
5849 trusted domains functions
5850 *********************************************************************/
5851
5852 static char *trusteddom_dn(struct ldapsam_privates *ldap_state,
5853 const char *domain)
5854 {
5855 return talloc_asprintf(talloc_tos(), "sambaDomainName=%s,%s", domain,
5856 ldap_state->domain_dn);
5857 }
5858
5859 static bool get_trusteddom_pw_int(struct ldapsam_privates *ldap_state,
5860 TALLOC_CTX *mem_ctx,
5861 const char *domain, LDAPMessage **entry)
5862 {
5863 int rc;
5864 char *filter;
5865 int scope = LDAP_SCOPE_SUBTREE;
5866 const char **attrs = NULL; /* NULL: get all attrs */
5867 int attrsonly = 0; /* 0: return values too */
5868 LDAPMessage *result = NULL;
5869 char *trusted_dn;
5870 uint32 num_result;
5871
5872 filter = talloc_asprintf(talloc_tos(),
5873 "(&(objectClass=%s)(sambaDomainName=%s))",
5874 LDAP_OBJ_TRUSTDOM_PASSWORD, domain);
5875
5876 trusted_dn = trusteddom_dn(ldap_state, domain);
5877 if (trusted_dn == NULL) {
5878 return False;
5879 }
5880 rc = smbldap_search(ldap_state->smbldap_state, trusted_dn, scope,
5881 filter, attrs, attrsonly, &result);
5882
5883 if (result != NULL) {
5884 talloc_autofree_ldapmsg(mem_ctx, result);
5885 }
5886
5887 if (rc == LDAP_NO_SUCH_OBJECT) {
5888 *entry = NULL;
5889 return True;
5890 }
5891
5892 if (rc != LDAP_SUCCESS) {
5893 return False;
5894 }
5895
5896 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5897
5898 if (num_result > 1) {
5899 DEBUG(1, ("ldapsam_get_trusteddom_pw: more than one "
5900 "%s object for domain '%s'?!\n",
5901 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
5902 return False;
5903 }
5904
5905 if (num_result == 0) {
5906 DEBUG(1, ("ldapsam_get_trusteddom_pw: no "
5907 "%s object for domain %s.\n",
5908 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
5909 *entry = NULL;
5910 } else {
5911 *entry = ldap_first_entry(priv2ld(ldap_state), result);
5912 }
5913
5914 return True;
5915 }
5916
5917 static bool ldapsam_get_trusteddom_pw(struct pdb_methods *methods,
5918 const char *domain,
5919 char** pwd,
5920 DOM_SID *sid,
5921 time_t *pass_last_set_time)
5922 {
5923 struct ldapsam_privates *ldap_state =
5924 (struct ldapsam_privates *)methods->private_data;
5925 LDAPMessage *entry = NULL;
5926
5927 DEBUG(10, ("ldapsam_get_trusteddom_pw called for domain %s\n", domain));
5928
5929 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry) ||
5930 (entry == NULL))
5931 {
5932 return False;
5933 }
5934
5935 /* password */
5936 if (pwd != NULL) {
5937 char *pwd_str;
5938 pwd_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5939 entry, "sambaClearTextPassword", talloc_tos());
5940 if (pwd_str == NULL) {
5941 return False;
5942 }
5943 /* trusteddom_pw routines do not use talloc yet... */
5944 *pwd = SMB_STRDUP(pwd_str);
5945 if (*pwd == NULL) {
5946 return False;
5947 }
5948 }
5949
5950 /* last change time */
5951 if (pass_last_set_time != NULL) {
5952 char *time_str;
5953 time_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5954 entry, "sambaPwdLastSet", talloc_tos());
5955 if (time_str == NULL) {
5956 return False;
5957 }
5958 *pass_last_set_time = (time_t)atol(time_str);
5959 }
5960
5961 /* domain sid */
5962 if (sid != NULL) {
5963 char *sid_str;
5964 DOM_SID *dom_sid;
5965 sid_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5966 entry, "sambaSID",
5967 talloc_tos());
5968 if (sid_str == NULL) {
5969 return False;
5970 }
5971 dom_sid = string_sid_talloc(talloc_tos(), sid_str);
5972 if (dom_sid == NULL) {
5973 return False;
5974 }
5975 sid_copy(sid, dom_sid);
5976 }
5977
5978 return True;
5979 }
5980
5981 static bool ldapsam_set_trusteddom_pw(struct pdb_methods *methods,
5982 const char* domain,
5983 const char* pwd,
5984 const DOM_SID *sid)
5985 {
5986 struct ldapsam_privates *ldap_state =
5987 (struct ldapsam_privates *)methods->private_data;
5988 LDAPMessage *entry = NULL;
5989 LDAPMod **mods = NULL;
5990 char *prev_pwd = NULL;
5991 char *trusted_dn = NULL;
5992 int rc;
5993
5994 DEBUG(10, ("ldapsam_set_trusteddom_pw called for domain %s\n", domain));
5995
5996 /*
5997 * get the current entry (if there is one) in order to put the
5998 * current password into the previous password attribute
5999 */
6000 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6001 return False;
6002 }
6003
6004 mods = NULL;
6005 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass",
6006 LDAP_OBJ_TRUSTDOM_PASSWORD);
6007 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaDomainName",
6008 domain);
6009 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaSID",
6010 sid_string_tos(sid));
6011 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaPwdLastSet",
6012 talloc_asprintf(talloc_tos(), "%li", (long int)time(NULL)));
6013 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6014 "sambaClearTextPassword", pwd);
6015
6016 if (entry != NULL) {
6017 prev_pwd = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6018 entry, "sambaClearTextPassword", talloc_tos());
6019 if (prev_pwd != NULL) {
6020 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6021 "sambaPreviousClearTextPassword",
6022 prev_pwd);
6023 }
6024 }
6025
6026 talloc_autofree_ldapmod(talloc_tos(), mods);
6027
6028 trusted_dn = trusteddom_dn(ldap_state, domain);
6029 if (trusted_dn == NULL) {
6030 return False;
6031 }
6032 if (entry == NULL) {
6033 rc = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods);
6034 } else {
6035 rc = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods);
6036 }
6037
6038 if (rc != LDAP_SUCCESS) {
6039 DEBUG(1, ("error writing trusted domain password!\n"));
6040 return False;
6041 }
6042
6043 return True;
6044 }
6045
6046 static bool ldapsam_del_trusteddom_pw(struct pdb_methods *methods,
6047 const char *domain)
6048 {
6049 int rc;
6050 struct ldapsam_privates *ldap_state =
6051 (struct ldapsam_privates *)methods->private_data;
6052 LDAPMessage *entry = NULL;
6053 const char *trusted_dn;
6054
6055 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6056 return False;
6057 }
6058
6059 if (entry == NULL) {
6060 DEBUG(5, ("ldapsam_del_trusteddom_pw: no such trusted domain: "
6061 "%s\n", domain));
6062 return True;
6063 }
6064
6065 trusted_dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state),
6066 entry);
6067 if (trusted_dn == NULL) {
6068 DEBUG(0,("ldapsam_del_trusteddom_pw: Out of memory!\n"));
6069 return False;
6070 }
6071
6072 rc = smbldap_delete(ldap_state->smbldap_state, trusted_dn);
6073 if (rc != LDAP_SUCCESS) {
6074 return False;
6075 }
6076
6077 return True;
6078 }
6079
6080 static NTSTATUS ldapsam_enum_trusteddoms(struct pdb_methods *methods,
6081 TALLOC_CTX *mem_ctx,
6082 uint32 *num_domains,
6083 struct trustdom_info ***domains)
6084 {
6085 int rc;
6086 struct ldapsam_privates *ldap_state =
6087 (struct ldapsam_privates *)methods->private_data;
6088 char *filter;
6089 int scope = LDAP_SCOPE_SUBTREE;
6090 const char *attrs[] = { "sambaDomainName", "sambaSID", NULL };
6091 int attrsonly = 0; /* 0: return values too */
6092 LDAPMessage *result = NULL;
6093 LDAPMessage *entry = NULL;
6094
6095 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)",
6096 LDAP_OBJ_TRUSTDOM_PASSWORD);
6097
6098 rc = smbldap_search(ldap_state->smbldap_state,
6099 ldap_state->domain_dn,
6100 scope,
6101 filter,
6102 attrs,
6103 attrsonly,
6104 &result);
6105
6106 if (result != NULL) {
6107 talloc_autofree_ldapmsg(mem_ctx, result);
6108 }
6109
6110 if (rc != LDAP_SUCCESS) {
6111 return NT_STATUS_UNSUCCESSFUL;
6112 }
6113
6114 *num_domains = 0;
6115 if (!(*domains = TALLOC_ARRAY(mem_ctx, struct trustdom_info *, 1))) {
6116 DEBUG(1, ("talloc failed\n"));
6117 return NT_STATUS_NO_MEMORY;
6118 }
6119
6120 for (entry = ldap_first_entry(priv2ld(ldap_state), result);
6121 entry != NULL;
6122 entry = ldap_next_entry(priv2ld(ldap_state), entry))
6123 {
6124 char *dom_name, *dom_sid_str;
6125 struct trustdom_info *dom_info;
6126
6127 dom_info = TALLOC_P(*domains, struct trustdom_info);
6128 if (dom_info == NULL) {
6129 DEBUG(1, ("talloc failed\n"));
6130 return NT_STATUS_NO_MEMORY;
6131 }
6132
6133 dom_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6134 entry,
6135 "sambaDomainName",
6136 talloc_tos());
6137 if (dom_name == NULL) {
6138 DEBUG(1, ("talloc failed\n"));
6139 return NT_STATUS_NO_MEMORY;
6140 }
6141 dom_info->name = dom_name;
6142
6143 dom_sid_str = smbldap_talloc_single_attribute(
6144 priv2ld(ldap_state), entry, "sambaSID",
6145 talloc_tos());
6146 if (dom_sid_str == NULL) {
6147 DEBUG(1, ("talloc failed\n"));
6148 return NT_STATUS_NO_MEMORY;
6149 }
6150 if (!string_to_sid(&dom_info->sid, dom_sid_str)) {
6151 DEBUG(1, ("Error calling string_to_sid on SID %s\n",
6152 dom_sid_str));
6153 return NT_STATUS_UNSUCCESSFUL;
6154 }
6155
6156 ADD_TO_ARRAY(*domains, struct trustdom_info *, dom_info,
6157 domains, num_domains);
6158
6159 if (*domains == NULL) {
6160 DEBUG(1, ("talloc failed\n"));
6161 return NT_STATUS_NO_MEMORY;
6162 }
6163 }
6164
6165 DEBUG(5, ("ldapsam_enum_trusteddoms: got %d domains\n", *num_domains));
6166 return NT_STATUS_OK;
6167 }
6168
6169
6170 /**********************************************************************
6171 Housekeeping
6172 *********************************************************************/
6173
6174 static void free_private_data(void **vp)
6175 {
6176 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
6177
6178 smbldap_free_struct(&(*ldap_state)->smbldap_state);
6179
6180 if ((*ldap_state)->result != NULL) {
6181 ldap_msgfree((*ldap_state)->result);
6182 (*ldap_state)->result = NULL;
6183 }
6184 if ((*ldap_state)->domain_dn != NULL) {
6185 SAFE_FREE((*ldap_state)->domain_dn);
6186 }
6187
6188 *ldap_state = NULL;
6189
6190 /* No need to free any further, as it is talloc()ed */
6191 }
6192
6193 /*********************************************************************
6194 Intitalise the parts of the pdb_methods structure that are common to
6195 all pdb_ldap modes
6196 *********************************************************************/
6197
6198 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
6199 {
6200 NTSTATUS nt_status;
6201 struct ldapsam_privates *ldap_state;
6202
6203 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
6204 return nt_status;
6205 }
6206
6207 (*pdb_method)->name = "ldapsam";
6208
6209 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
6210 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
6211 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
6212 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
6213 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
6214 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
6215
6216 (*pdb_method)->getgrsid = ldapsam_getgrsid;
6217 (*pdb_method)->getgrgid = ldapsam_getgrgid;
6218 (*pdb_method)->getgrnam = ldapsam_getgrnam;
6219 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
6220 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
6221 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
6222 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
6223
6224 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
6225 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
6226
6227 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
6228
6229 (*pdb_method)->capabilities = ldapsam_capabilities;
6230 (*pdb_method)->new_rid = ldapsam_new_rid;
6231
6232 (*pdb_method)->get_trusteddom_pw = ldapsam_get_trusteddom_pw;
6233 (*pdb_method)->set_trusteddom_pw = ldapsam_set_trusteddom_pw;
6234 (*pdb_method)->del_trusteddom_pw = ldapsam_del_trusteddom_pw;
6235 (*pdb_method)->enum_trusteddoms = ldapsam_enum_trusteddoms;
6236
6237 /* TODO: Setup private data and free */
6238
6239 if ( !(ldap_state = TALLOC_ZERO_P(*pdb_method, struct ldapsam_privates)) ) {
6240 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
6241 return NT_STATUS_NO_MEMORY;
6242 }
6243
6244 nt_status = smbldap_init(*pdb_method, pdb_get_event_context(),
6245 location, &ldap_state->smbldap_state);
6246
6247 if ( !NT_STATUS_IS_OK(nt_status) ) {
6248 return nt_status;
6249 }
6250
6251 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
6252 return NT_STATUS_NO_MEMORY;
6253 }
6254
6255 (*pdb_method)->private_data = ldap_state;
6256
6257 (*pdb_method)->free_private_data = free_private_data;
6258
6259 return NT_STATUS_OK;
6260 }
6261
6262 /**********************************************************************
6263 Initialise the 'compat' mode for pdb_ldap
6264 *********************************************************************/
6265
6266 NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods **pdb_method, const char *location)
6267 {
6268 NTSTATUS nt_status;
6269 struct ldapsam_privates *ldap_state;
6270 char *uri = talloc_strdup( NULL, location );
6271
6272 trim_char( uri, '\"', '\"' );
6273 nt_status = pdb_init_ldapsam_common( pdb_method, uri );
6274 if ( uri )
6275 TALLOC_FREE( uri );
6276
6277 if ( !NT_STATUS_IS_OK(nt_status) ) {
6278 return nt_status;
6279 }
6280
6281 (*pdb_method)->name = "ldapsam_compat";
6282
6283 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6284 ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
6285
6286 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6287
6288 return NT_STATUS_OK;
6289 }
6290
6291 /**********************************************************************
6292 Initialise the normal mode for pdb_ldap
6293 *********************************************************************/
6294
6295 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
6296 {
6297 NTSTATUS nt_status;
6298 struct ldapsam_privates *ldap_state = NULL;
6299 uint32 alg_rid_base;
6300 char *alg_rid_base_string = NULL;
6301 LDAPMessage *result = NULL;
6302 LDAPMessage *entry = NULL;
6303 DOM_SID ldap_domain_sid;
6304 DOM_SID secrets_domain_sid;
6305 char *domain_sid_string = NULL;
6306 char *dn = NULL;
6307 char *uri = talloc_strdup( NULL, location );
6308
6309 trim_char( uri, '\"', '\"' );
6310 nt_status = pdb_init_ldapsam_common(pdb_method, uri);
6311 if (uri) {
6312 TALLOC_FREE(uri);
6313 }
6314
6315 if (!NT_STATUS_IS_OK(nt_status)) {
6316 return nt_status;
6317 }
6318
6319 (*pdb_method)->name = "ldapsam";
6320
6321 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
6322 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
6323 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
6324 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
6325 (*pdb_method)->search_users = ldapsam_search_users;
6326 (*pdb_method)->search_groups = ldapsam_search_groups;
6327 (*pdb_method)->search_aliases = ldapsam_search_aliases;
6328
6329 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
6330 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
6331 (*pdb_method)->enum_group_memberships =
6332 ldapsam_enum_group_memberships;
6333 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
6334 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
6335
6336 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
6337 (*pdb_method)->create_user = ldapsam_create_user;
6338 (*pdb_method)->delete_user = ldapsam_delete_user;
6339 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
6340 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
6341 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
6342 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
6343 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
6344 }
6345 }
6346
6347 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6348 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
6349
6350 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
6351
6352 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
6353 &result,
6354 ldap_state->domain_name, True);
6355
6356 if ( !NT_STATUS_IS_OK(nt_status) ) {
6357 DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain "
6358 "info, nor add one to the domain\n"));
6359 DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, "
6360 "will be unable to allocate new users/groups, "
6361 "and will risk BDCs having inconsistant SIDs\n"));
6362 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6363 return NT_STATUS_OK;
6364 }
6365
6366 /* Given that the above might fail, everything below this must be
6367 * optional */
6368
6369 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
6370 result);
6371 if (!entry) {
6372 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
6373 "entry\n"));
6374 ldap_msgfree(result);
6375 return NT_STATUS_UNSUCCESSFUL;
6376 }
6377
6378 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
6379 if (!dn) {
6380 ldap_msgfree(result);
6381 return NT_STATUS_UNSUCCESSFUL;
6382 }
6383
6384 ldap_state->domain_dn = smb_xstrdup(dn);
6385 TALLOC_FREE(dn);
6386
6387 domain_sid_string = smbldap_talloc_single_attribute(
6388 ldap_state->smbldap_state->ldap_struct,
6389 entry,
6390 get_userattr_key2string(ldap_state->schema_ver,
6391 LDAP_ATTR_USER_SID),
6392 talloc_tos());
6393
6394 if (domain_sid_string) {
6395 bool found_sid;
6396 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
6397 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
6398 "read as a valid SID\n", domain_sid_string));
6399 ldap_msgfree(result);
6400 TALLOC_FREE(domain_sid_string);
6401 return NT_STATUS_INVALID_PARAMETER;
6402 }
6403 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
6404 &secrets_domain_sid);
6405 if (!found_sid || !sid_equal(&secrets_domain_sid,
6406 &ldap_domain_sid)) {
6407 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
6408 "%s based on pdb_ldap results %s -> %s\n",
6409 ldap_state->domain_name,
6410 sid_string_dbg(&secrets_domain_sid),
6411 sid_string_dbg(&ldap_domain_sid)));
6412
6413 /* reset secrets.tdb sid */
6414 secrets_store_domain_sid(ldap_state->domain_name,
6415 &ldap_domain_sid);
6416 DEBUG(1, ("New global sam SID: %s\n",
6417 sid_string_dbg(get_global_sam_sid())));
6418 }
6419 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
6420 TALLOC_FREE(domain_sid_string);
6421 }
6422
6423 alg_rid_base_string = smbldap_talloc_single_attribute(
6424 ldap_state->smbldap_state->ldap_struct,
6425 entry,
6426 get_attr_key2string( dominfo_attr_list,
6427 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
6428 talloc_tos());
6429 if (alg_rid_base_string) {
6430 alg_rid_base = (uint32)atol(alg_rid_base_string);
6431 if (alg_rid_base != algorithmic_rid_base()) {
6432 DEBUG(0, ("The value of 'algorithmic RID base' has "
6433 "changed since the LDAP\n"
6434 "database was initialised. Aborting. \n"));
6435 ldap_msgfree(result);
6436 TALLOC_FREE(alg_rid_base_string);
6437 return NT_STATUS_UNSUCCESSFUL;
6438 }
6439 TALLOC_FREE(alg_rid_base_string);
6440 }
6441 ldap_msgfree(result);
6442
6443 return NT_STATUS_OK;
6444 }
6445
6446 NTSTATUS pdb_ldap_init(void)
6447 {
6448 NTSTATUS nt_status;
6449 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
6450 return nt_status;
6451
6452 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
6453 return nt_status;
6454
6455 /* Let pdb_nds register backends */
6456 pdb_nds_init();
6457
6458 return NT_STATUS_OK;
6459 }
reg import